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63c6479f5f004bf4898cf545
2023-01-26T23:37:56.194Z
Question from Code
v1
what parameters should be passed to full_array and result?
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length / 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length / 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv[1], argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-26T23:40:49.509Z
Question from Code
v1
what stops this from compiling
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length / 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length / 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv[1], argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-26T23:44:33.006Z
Question from Code
v1
what is the type of argv[1]
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length / 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length / 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv[1], argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-26T23:46:30.548Z
Question from Code
v1
will this compile
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length / 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length / 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv[1], argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-26T23:53:01.319Z
Question from Code
v1
will this compile
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length / 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length / 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv, argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-27T00:40:58.419Z
Question from Code
v1
how can i make sure that memory is allocated and free correctly
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length + 2/ 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length + 2/ 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length + 2; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv, argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-27T00:41:56.699Z
Question from Code
v1
how can i fix this code to ensure my memory is freed correctly
int *build_array(char **strs, int size) { int *arr = malloc(sizeof(int) * size); for (int i = 0; i < size; i++) { arr[i] = strtol(strs[i], NULL, 10); } return arr; } int **split_array(const int *s, int length) { int **arrays = malloc(sizeof(int *) * 2); int *arr_even = malloc(sizeof(int) * ((length + 2/ 2) - (length % 2))); int *arr_odd = malloc(sizeof(int) * ((length + 2/ 2) + (length % 2))); int even_count = 0; int odd_count = 0; for (int i = 0; i < length + 2; i++) { if (i % 2 == 0) { arr_even[even_count] = s[i]; even_count++; } else { arr_odd[odd_count] = s[i]; odd_count++; } } arrays[0] = arr_even; arrays[1] = arr_odd; return arrays; } int main(int argc, char **argv) { /* Replace the comments in the next two lines with the appropriate arguments. Do not add any additional lines of code to the main function or make other changes. */ int *full_array = build_array(argv, argc - 1); int **result = split_array(full_array, sizeof(full_array)); printf("Original array:\n"); for (int i = 0; i < argc - 1; i++) { printf("%d ", full_array[i]); } printf("\n"); printf("result[0]:\n"); for (int i = 0; i < argc / 2; i++) { printf("%d ", result[0][i]); } printf("\n"); printf("result[1]:\n"); for (int i = 0; i < (argc - 1) / 2; i++) { printf("%d ", result[1][i]); } printf("\n"); free(full_array); free(result[0]); free(result[1]); free(result); return 0; }
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63c6479f5f004bf4898cf545
2023-01-29T08:55:07.688Z
General Question
v1
given a program where a pointer to an array of char pointers is passed as an argument, how can i print out the first 5 characters?
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63c6479f5f004bf4898cf545
2023-01-29T08:59:36.211Z
Question from Code
v1
how can i index input to get the first character
int check_permissions(char *permission_field, char *required_permissions) { for (int i = 0; i < 9; i++) { if (required_permissions[i] == 'w' && permission_field[i] != 'w') { return 1; } else if (required_permissions[i] == 'r' && permission_field[i] != 'r') { return 1; } else if (required_permissions[i] == 'x' && permission_field[i] != 'x') { return 1; } } return 0; } int main(int argc, char** argv) { if (!(argc == 2 || argc == 3)) { fprintf(stderr, "USAGE: count_large size [permissions]\n"); return 1; } char ls_permissions[10]; int ls_size; scanf("%*s %*d"); // TODO: Process command line arguments. int size = strtol(argv[1], NULL, 10); char *input; char *permissions = malloc(sizeof(char *) * 9); if (argc == 3) { input = argv[2]; for (int i = 0; i < 9; i++) { permissions[i] = input[i + 1]; printf("%sB \n", &input[2]); } } int result = 0; while (scanf("%s %*d %*s %*s %d %*s %*d %*s %*s", ls_permissions, &ls_size) != EOF) { if (input[0] != 'd') { if (argc == 2) { if (ls_size >= size) { result++; } } else if (argc == 3 && ls_size >= size && check_permissions(ls_permissions, permissions) == 0) { result++; } } } //free(permissions); printf("%d\n", result); free(permissions); return 0; }
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63c6479f5f004bf4898cf545
2023-01-29T09:00:41.728Z
Question from Code
v1
how can i make permissions equal to the last 9 characters of input
int check_permissions(char *permission_field, char *required_permissions) { for (int i = 0; i < 9; i++) { if (required_permissions[i] == 'w' && permission_field[i] != 'w') { return 1; } else if (required_permissions[i] == 'r' && permission_field[i] != 'r') { return 1; } else if (required_permissions[i] == 'x' && permission_field[i] != 'x') { return 1; } } return 0; } int main(int argc, char** argv) { if (!(argc == 2 || argc == 3)) { fprintf(stderr, "USAGE: count_large size [permissions]\n"); return 1; } char ls_permissions[10]; int ls_size; scanf("%*s %*d"); // TODO: Process command line arguments. int size = strtol(argv[1], NULL, 10); char *input; char *permissions = malloc(sizeof(char *) * 9); if (argc == 3) { input = argv[2]; for (int i = 0; i < 9; i++) { permissions[i] = input[i + 1]; printf("%sB \n", &input[2]); } } int result = 0; while (scanf("%s %*d %*s %*s %d %*s %*d %*s %*s", ls_permissions, &ls_size) != EOF) { if (input[0] != 'd') { if (argc == 2) { if (ls_size >= size) { result++; } } else if (argc == 3 && ls_size >= size && check_permissions(ls_permissions, permissions) == 0) { result++; } } } //free(permissions); printf("%d\n", result); free(permissions); return 0; }
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63c6479f5f004bf4898cf545
2023-01-29T09:07:32.636Z
General Question
v1
why is it that when i index a pointer to a char array at index n, it gives me the same array starting from index n to the end?
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63c6479f5f004bf4898cf545
2023-02-02T22:52:09.649Z
Help Fix Code
v1
null
int truncate(char *s, int n) { char new_str[strlen(s)]; strncpy(new_str, s, n); new_str[strlen(s) - 1] = '\0'; s = new_str; return strlen(s) - n; }
Modify s so it becomes the first n characters of s, and return how many letters in s were removed
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63c6479f5f004bf4898cf545
2023-02-09T21:16:44.198Z
Help Write Code
v1
null
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First, allocate space for m `struct pixel *` values, where m is the * height of the image. Each pointer will eventually point to one row of * pixel data. * 2. For each pointer you just allocated, initialize it to point to * heap-allocated space for an entire row of pixel data. * 3. Use the given file and pixel_array_offset to initialize the actual * struct pixel values. Assume that `sizeof(struct pixel) == 3`, which is * consistent with the bitmap file format. * NOTE: We've tested this assumption on the Teaching Lab machines, but * if you're trying to work on your own computer, we strongly recommend * checking this assumption! * 4. Return the address of the first `struct pixel *` you initialized.
63c6479f5f004bf4898cf545
2023-02-09T21:22:10.042Z
Help Fix Code
v1
null
struct pixel **read_pixel_array(FILE *image, int pixel_array_offset, int width, int height) { int arr = malloc(height * sizeof(struct pixel *)); for (int i = 0; i < height; i++) { arr[i] = malloc(3 * width); } fseek(image, pixel_array_offset, SEEK_SET); fread(arr, 3, 1, image); return arr[0]; }
First, allocate space for m `struct pixel *` values, where m is the * height of the image. Each pointer will eventually point to one row of * pixel data. * 2. For each pointer you just allocated, initialize it to point to * heap-allocated space for an entire row of pixel data. * 3. Use the given file and pixel_array_offset to initialize the actual * struct pixel values. Assume that `sizeof(struct pixel) == 3`, which is * consistent with the bitmap file format. * NOTE: We've tested this assumption on the Teaching Lab machines, but * if you're trying to work on your own computer, we strongly recommend * checking this assumption! * 4. Return the address of the first `struct pixel *` you initialized.
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63c6479f5f004bf4898cf545
2023-02-09T21:30:35.718Z
Question from Code
v1
how do i make this compile
struct pixel **read_pixel_array(FILE *image, int pixel_array_offset, int width, int height) { struct pixel arr = malloc(height * sizeof(struct pixel *)); for (int i = 0; i < height; i++) { &arr[i] = malloc(3 * width); } fseek(image, pixel_array_offset, SEEK_SET); fread(arr, 3, 1, image); return arr[0]; }
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63c6479f5f004bf4898cf545
2023-02-09T21:36:01.210Z
Help Fix Code
v1
null
struct pixel **read_pixel_array(FILE *image, int pixel_array_offset, int width, int height) { struct pixel **arr = malloc(height * sizeof(struct pixel *)); for (int i = 0; i < height; i++) { arr[i] = malloc(3 * width); } fseek(image, pixel_array_offset, SEEK_SET); fread(arr, 3, width, image); return arr[0]; }
* Read in pixel array by following these instructions: * * 1. First, allocate space for m `struct pixel *` values, where m is the * height of the image. Each pointer will eventually point to one row of * pixel data. * 2. For each pointer you just allocated, initialize it to point to * heap-allocated space for an entire row of pixel data. * 3. Use the given file and pixel_array_offset to initialize the actual * struct pixel values. Assume that `sizeof(struct pixel) == 3`, which is * consistent with the bitmap file format. * NOTE: We've tested this assumption on the Teaching Lab machines, but * if you're trying to work on your own computer, we strongly recommend * checking this assumption! * 4. Return the address of the first `struct pixel *` you initialized. */
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63c6479f5f004bf4898cf545
2023-02-09T21:56:44.520Z
Help Fix Code
v1
null
struct pixel **read_pixel_array(FILE *image, int pixel_array_offset, int width, int height) { struct pixel **arr = malloc(height * sizeof(struct pixel *)); for (int i = 0; i < height; i++) { arr[i] = malloc(3 * width); } fseek(image, pixel_array_offset, SEEK_SET); for (int i = 0; i < height; i++) { fread(arr, 3, width, image); } return arr; }
/* * Read in pixel array by following these instructions: * * 1. First, allocate space for m `struct pixel *` values, where m is the * height of the image. Each pointer will eventually point to one row of * pixel data. * 2. For each pointer you just allocated, initialize it to point to * heap-allocated space for an entire row of pixel data. * 3. Use the given file and pixel_array_offset to initialize the actual * struct pixel values. Assume that `sizeof(struct pixel) == 3`, which is * consistent with the bitmap file format. * NOTE: We've tested this assumption on the Teaching Lab machines, but * if you're trying to work on your own computer, we strongly recommend * checking this assumption! * 4. Return the address of the first `struct pixel *` you initialized. */
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63c6479f5f004bf4898cf545
2023-02-09T21:59:10.119Z
Help Fix Code
v1
null
void read_bitmap_metadata(FILE *image, int *pixel_array_offset, int *width, int *height) { fseek(image,10, SEEK_SET); fread(&pixel_array_offset, sizeof(int), 1, image); fseek(image, 18, SEEK_SET); fread(&width, sizeof(int), 1, image); fseek(image, 22, SEEK_SET); fread(&height, sizeof(int), 1, image); }
/* * Read in the location of the pixel array, the image width, and the image * height in the given bitmap file. */
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63c6479f5f004bf4898cf545
2023-02-10T04:52:44.413Z
Help Fix Code
v1
null
int create_user(const char *name, User **user_ptr_add) { if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; while (curr != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } } User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; curr->next = new_user; return 0; }
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator) */
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63c6479f5f004bf4898cf545
2023-02-10T04:54:55.268Z
Help Fix Code
v1
null
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator) */ int create_user(const char *name, User **user_ptr_add) { if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; while (curr != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; curr->next = new_user; return 0; }
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator)
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63c6479f5f004bf4898cf545
2023-02-10T04:55:38.151Z
Question from Code
v1
how do i add a user to the list
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator) */ int create_user(const char *name, User **user_ptr_add) { if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; while (curr != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T04:56:26.632Z
Question from Code
v1
what line of code do i need to add to add new_user to the list
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator) */ int create_user(const char *name, User **user_ptr_add) { if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; while (curr != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T05:35:03.322Z
Question from Code
v1
will this code add a user to the end of the linked list
int create_user(const char *name, User **user_ptr_add) { if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; if (curr == NULL) { curr = new_user; } while (curr->next != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T05:37:08.184Z
Question from Code
v1
will this code add a user to the end of the linked list
int create_user(const char *name, User **user_ptr_add) { if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; if (curr == NULL) { curr = new_user; return 0; } while (curr->next != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T20:46:34.188Z
Question from Code
v1
why do i get a segmentation fault when i try to print the contents of the file? how can i fix it?
int print_user(const User *user) { if (user == NULL) { return 1; } FILE *file; file = fopen(user->profile_pic, "r"); char line[10]; while (fgets(line, 10, file) != NULL) { printf("%s", line); } fclose(file); printf("Name: %s\n", (char *)user->name); printf("------------------------------------------\n"); printf("Friends:\n"); int count = 0; while ((char *)user->friends[count] != NULL) { printf("%s\n", user->friends[count]->name); count++; } printf("------------------------------------------\n"); printf("Posts:\n"); Post *curr = user->first_post; while (curr != NULL) { printf("From: %s\n", curr->author); printf("Date: %s\n", ctime(curr->date)); printf("%s\n\n", curr->contents); if (curr->next != NULL) { printf("===\n\n"); } curr = curr->next; } return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T22:20:45.466Z
Question from Code
v1
how can i fix my code so that i can assign new_post's date, which is of type time_t, to curr time?
int make_post(const User *author, User *target, char *contents) { if (author == NULL || target == NULL) { return 2; } int friend_mutuality = 0; for(int i = 0; i < MAX_FRIENDS; i++) { if (author->friends[i] == target) { friend_mutuality++; } } if (friend_mutuality == 0) { return 1; } // Make a new post Post *new_post = malloc(sizeof(Post)); strcpy(new_post->author, author->name); new_post->contents = contents; time_t curr_time= sizeof(time_t); time(&curr_time); new_post->date = ctime(&curr_time); if (target->first_post == NULL) { new_post->next = NULL; } else { new_post->next = target->first_post; target->first_post = new_post; } return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T22:23:03.446Z
Question from Code
v1
how can i fix this to get rid of the incompatible type error
int make_post(const User *author, User *target, char *contents) { if (author == NULL || target == NULL) { return 2; } int friend_mutuality = 0; for(int i = 0; i < MAX_FRIENDS; i++) { if (author->friends[i] == target) { friend_mutuality++; } } if (friend_mutuality == 0) { return 1; } // Make a new post Post *new_post = malloc(sizeof(Post)); strcpy(new_post->author, author->name); new_post->contents = contents; time_t curr_time= sizeof(time_t); time(&curr_time); new_post->date = ctime(&curr_time); if (target->first_post == NULL) { new_post->next = NULL; } else { new_post->next = target->first_post; target->first_post = new_post; } return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T22:26:21.906Z
Help Fix Code
v1
null
int make_post(const User *author, User *target, char *contents) { if (author == NULL || target == NULL) { return 2; } int friend_mutuality = 0; for(int i = 0; i < MAX_FRIENDS; i++) { if (author->friends[i] == target) { friend_mutuality++; } } if (friend_mutuality == 0) { return 1; } // Make a new post Post *new_post = malloc(sizeof(Post)); strcpy(new_post->author, author->name); new_post->contents = contents; time_t curr_time= sizeof(time_t); time(&curr_time); new_post->date = ctime(&curr_time); if (target->first_post == NULL) { new_post->next = NULL; } else { new_post->next = target->first_post; target->first_post = new_post; } return 0; }
/* * Make a new post from 'author' to the 'target' user, * containing the given contents, IF the users are friends. * * Insert the new post at the *front* of the user's list of posts. * * 'contents' is a pointer to heap-allocated memory - you do not need * to allocate more memory to store the contents of the post. * * Return: * - 0 on success * - 1 if users exist but are not friends * - 2 if either User pointer is NULL */
null
63c6479f5f004bf4898cf545
2023-02-10T22:27:52.059Z
Question from Code
v1
will this compile and if not what i can i do to change it? new_post->date must be of type time_t
int make_post(const User *author, User *target, char *contents) { if (author == NULL || target == NULL) { return 2; } int friend_mutuality = 0; for(int i = 0; i < MAX_FRIENDS; i++) { if (author->friends[i] == target) { friend_mutuality++; } } if (friend_mutuality == 0) { return 1; } // Make a new post Post *new_post = malloc(sizeof(Post)); strcpy(new_post->author, author->name); new_post->contents = contents; time_t curr_time= sizeof(time_t); time(&curr_time); new_post->date = ctime(&curr_time); if (target->first_post == NULL) { new_post->next = NULL; } else { new_post->next = target->first_post; } target->first_post = new_post; return 0; }
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63c6479f5f004bf4898cf545
2023-02-10T22:34:26.932Z
Question from Code
v1
how to fix this so it will compile?
int make_post(const User *author, User *target, char *contents) { if (author == NULL || target == NULL) { return 2; } int friend_mutuality = 0; for(int i = 0; i < MAX_FRIENDS; i++) { if (author->friends[i] == target) { friend_mutuality++; } } if (friend_mutuality == 0) { return 1; } // Make a new post Post *new_post = malloc(sizeof(Post)); strcpy(new_post->author, author->name); new_post->contents = contents; time_t curr_time= sizeof(time_t); time(&curr_time); new_post->date = curr_time; if (target->first_post == NULL) { new_post->next = NULL; } else { new_post->next = target->first_post; } target->first_post = new_post; return 0; }
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63c6479f5f004bf4898cf545
2023-02-11T15:06:30.327Z
Question from Code
v1
how can i fix this so that it compiles
int make_post(const User *author, User *target, char *contents) { if (author == NULL || target == NULL) { return 2; } int friend_mutuality = 0; for(int i = 0; i < MAX_FRIENDS; i++) { if (author->friends[i] == target) { friend_mutuality++; } } if (friend_mutuality == 0) { return 1; } // Make a new post Post *new_post = malloc(sizeof(Post)); strcpy(new_post->author, author->name); new_post->contents = contents; time_t curr_time= sizeof(time_t); time(&curr_time); new_post->date = curr_time; if (target->first_post == NULL) { new_post->next = NULL; } else { new_post->next = target->first_post; } target->first_post = new_post; return 0; }
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63c6479f5f004bf4898cf545
2023-02-11T15:19:21.125Z
Question from Code
v1
what can i change to get rid of the makes pointer from integer without a cast error
time_t curr_time = sizeof(time(NULL)); time(&curr_time); new_post->date = curr_time;
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63c6479f5f004bf4898cf545
2023-02-11T15:21:17.586Z
Question from Code
v1
what can i do to fix the makes pointer from integer without a cast error
time_t curr_time = time(NULL); time(&curr_time); new_post->date = curr_time;
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null
63c6479f5f004bf4898cf545
2023-02-11T21:06:37.717Z
Question from Code
v1
what causes the segmentation fault
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { *user_ptr_del = NULL; free(curr); } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { curr->next = NULL; } else { // If user to be removed is in the middle of the list curr->next = curr->next->next; } return -1; }
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63c6479f5f004bf4898cf545
2023-02-11T21:08:57.187Z
Question from Code
v1
how do i remove the segfault
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { *user_ptr_del = NULL; free(curr); } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { curr->next = NULL; } else { // If user to be removed is in the middle of the list curr->next = curr->next->next; } return -1; }
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63c6479f5f004bf4898cf545
2023-02-11T22:06:58.721Z
Help Fix Code
v1
null
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { *user_ptr_del = NULL; free(curr); return 0; } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { curr->next = NULL; } else { // If user to be removed is in the middle of the list curr->next = curr->next->next; } return 0; }
/* * From the list pointed to by *user_ptr_del, delete the user * with the given name. * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-11T22:09:19.549Z
Question from Code
v1
will this cause a segmentation fault? how do i fix it?
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { *user_ptr_del = NULL; free(curr); return 0; } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { free(curr->next); curr->next = NULL; } else { // If user to be removed is in the middle of the list free(curr->next); curr->next = curr->next->next; } return 0; }
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63c6479f5f004bf4898cf545
2023-02-11T22:10:39.209Z
Help Fix Code
v1
null
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { *user_ptr_del = NULL; free(curr); return 0; } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { free(curr->next); curr->next = NULL; } else { // If user to be removed is in the middle of the list free(curr->next); curr->next = curr->next->next; } return 0; }
/* * From the list pointed to by *user_ptr_del, delete the user * with the given name. * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-11T22:15:57.363Z
Question from Code
v1
how do i properly delete and free the memory of a user? How do i fix the segmentation fault?
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = curr; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = *user_ptr_del; } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); return 0; }
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63c6479f5f004bf4898cf545
2023-02-11T22:17:09.923Z
Help Fix Code
v1
null
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = *user_ptr_del; // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = *user_ptr_del; } else { return 1; } } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); return 0; }
/* * From the list pointed to by *user_ptr_del, delete the user * with the given name. * * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-11T23:08:45.904Z
Question from Code
v1
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator) */
int create_user(const char *name, User **user_ptr_add) { // Check for error code 2 if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; // Create a new user User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; // If list is empty if (*user_ptr_add == NULL) { *user_ptr_add = new_user; return 0; } while (curr->next != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-11T23:09:22.955Z
Question from Code
v1
/* * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * * Return: * - 0 if successful * - 1 if a user by this name already exists in this list * - 2 if the given name cannot fit in the 'name' array * (don't forget about the null terminator) */ how do i fix this code?
int create_user(const char *name, User **user_ptr_add) { // Check for error code 2 if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; // Create a new user User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; // If list is empty if (*user_ptr_add == NULL) { *user_ptr_add = new_user; return 0; } while (curr->next != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-11T23:09:56.728Z
Question from Code
v1
how can i check if the name exists in the code already or not?
int create_user(const char *name, User **user_ptr_add) { // Check for error code 2 if (strlen(name) >= MAX_NAME) { return 2; } User *curr = *user_ptr_add; // Create a new user User *new_user = malloc(sizeof(User)); strcpy(new_user->name, name); new_user->next = NULL; // If list is empty if (*user_ptr_add == NULL) { *user_ptr_add = new_user; return 0; } while (curr->next != NULL) { if (strcmp(name, curr->name) == 0) { return 1; } curr = curr->next; } curr->next = new_user; return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T01:58:09.175Z
Help Fix Code
v1
null
void remove_friend(const char *name, User *ptr_friend_user, int index) { User *friend = ptr_friend_user; for (int i = index; i < MAX_FRIENDS - 1; i++) { friend->friends[i] = friend->friends[i + 1]; } } void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { remove_friend(name, curr, i); } } while (curr->next != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { remove_friend(name, curr, i); } } curr = curr->next; } }
remove the deleted user from the friendlist
null
63c6479f5f004bf4898cf545
2023-02-12T02:02:08.468Z
Help Fix Code
v1
null
void remove_friend(const char *name, User *ptr_friend_user, int index) { User *friend = ptr_friend_user; for (int i = index; i < MAX_FRIENDS - 1; i++) { friend->friends[i] = friend->friends[i + 1]; } } void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { remove_friend(name, curr, i); } } curr = curr->next; } }
remove the deleted user from the friendlist
null
63c6479f5f004bf4898cf545
2023-02-12T02:05:42.996Z
Help Fix Code
v1
null
void remove_friend(const char *name, User *ptr_friend_user, int index) { User *friend = ptr_friend_user; for (int i = index; i < MAX_FRIENDS - 1; i++) { friend->friends[i] = friend->friends[i + 1]; } friend->friends[MAX_FRIENDS - 1] = NULL; } void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { remove_friend(name, curr, i); } } curr = curr->next; } }
remove the deleted user from the friendlist
null
63c6479f5f004bf4898cf545
2023-02-12T02:12:18.794Z
Question from Code
v1
what can i do to fix this so that a user is removed from the friendslist of all users
void remove_friend(const char *name, User *ptr_friend_user, int index) { User *friend = ptr_friend_user; for (int i = index; i < MAX_FRIENDS - 1; i++) { friend->friends[i] = friend->friends[i + 1]; } friend->friends[MAX_FRIENDS - 1] = NULL; } void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { remove_friend(name, curr, i); } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T02:30:18.589Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { User *temp = malloc(sizeof(User)); for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { temp = curr->friends[i]; for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; free(temp); } }
delete user from all the friendlists of other users
null
63c6479f5f004bf4898cf545
2023-02-12T02:33:28.503Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { User *temp = malloc(sizeof(User)); temp = curr->friends[i]; for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; free(temp); } } curr = curr->next; } }
delete user from all the friendlists of other users
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63c6479f5f004bf4898cf545
2023-02-12T02:33:53.757Z
Question from Code
v1
how can i properly initialize temp
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { User *temp = malloc(sizeof(User)); temp = curr->friends[i]; for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; free(temp); } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T02:38:36.908Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } }
delete the user in every friendlist
null
63c6479f5f004bf4898cf545
2023-02-12T02:39:28.370Z
Question from Code
v1
does this remove the friend from the friendlist of every user? and if not how can i fix it
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T02:46:51.876Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { printf("%s", curr->friends[i]->name); if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
/* * From the list pointed to by *user_ptr_del, delete the user * with the given name. * Remove the deleted user from any lists of friends. * * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-12T02:50:43.564Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
From the list pointed to by *user_ptr_del, delete the user * with the given name. * Remove the deleted user from any lists of friends. * * Return: * - 0 on success. * - 1 if a user with this name does not exist
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63c6479f5f004bf4898cf545
2023-02-12T02:52:47.218Z
Question from Code
v1
what can i fix to make sure memory is allocated and deallocated properly?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T02:54:26.529Z
Question from Code
v1
what can i do to fix this code
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T02:57:32.435Z
Question from Code
v1
does remove_friends properly remove the user from the friendlist? what can i change?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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null
63c6479f5f004bf4898cf545
2023-02-12T03:09:51.633Z
Question from Code
v1
will this remove the deleted user from all user's friendlists?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T03:10:51.487Z
Question from Code
v1
will this remove the deleted user from all user's friendlists?
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T03:11:21.004Z
Question from Code
v1
is this code correct
int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T03:12:02.453Z
Question from Code
v1
is this correct
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T03:12:51.066Z
Question from Code
v1
how can i fix this code
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T03:15:38.159Z
Question from Code
v1
how can i make sure curr is initialized to *user_ptr_del in remove_friends
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T03:17:55.452Z
Question from Code
v1
how do i prevent the segmentation faults
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T04:13:36.631Z
Question from Code
v1
is an array of users the same as a linked list of users?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { for (int i = 0; i < MAX_FRIENDS; i++) { if (strcmp(curr->friends[i]->name, name) == 0) { for (int j = i; i < MAX_FRIENDS - 1; j ++) { curr->friends[j] = curr->friends[j + 1]; } curr->friends[MAX_FRIENDS - 1] = NULL; } } curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T04:43:54.343Z
Question from Code
v1
will this code remove the user from every friendlist?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T04:45:21.374Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } free(temp); remove_friends(name, user_ptr_del); return 0; }
* From the list pointed to by *user_ptr_del, delete the user * with the given name. * Remove the deleted user from any lists of friends. * * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-12T04:48:31.549Z
Help Fix Code
v1
null
int make_friends(const char *name1, const char *name2, User *head) { // Check for User Non-existence // Create users friend1 and friend2 User *friend1 = find_user(name1, head); User *friend2 = find_user(name2, head); if (friend1 == NULL || friend2 == NULL) { return 4; } // Check for same user passed twice if (friend1 == friend2) { return 3; } // Check for full friends list if (friend1->friends[MAX_FRIENDS - 1]->name != NULL || friend2->friends[MAX_FRIENDS - 1]->name != NULL) { return 2; } // Check for friend already exists for (int i = 0; i < MAX_FRIENDS; i++) { if (friend1->friends[i] == friend2 || friend2->friends[i] == friend1) { return 1; } } int f1_added = 0; int f2_added = 0; int count = 0; while (f1_added == 0 || f2_added == 0) { if (friend1->friends[count] == NULL && f1_added == 0) { friend1->friends[count] = friend2; f1_added = 1; } if (friend2->friends[count] == NULL && f2_added == 0) { friend2->friends[count] = friend1; f2_added = 1; } count++; } return 0; }
* Make two users friends with each other. This is symmetric - a pointer to * each user must be stored in the 'friends' array of the other. * * New friends must be added in the first empty spot in the 'friends' array. * * Return: * - 0 on success. * - 1 if the two users are already friends. * - 2 if the users are not already friends, but at least one already has * MAX_FRIENDS friends. * - 3 if the same user is passed in twice. * - 4 if at least one user does not exist. * * Do not modify either user if the result is a failure. * NOTE: If multiple errors apply, return the *largest* error code that applies.
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63c6479f5f004bf4898cf545
2023-02-12T04:53:24.277Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } remove_friends(name, user_ptr_del); free(temp); return 0; }
/* * From the list pointed to by *user_ptr_del, delete the user * with the given name. * Remove the deleted user from any lists of friends. * * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-12T04:56:45.975Z
Question from Code
v1
should temp be allocated size user or user *
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } remove_friends(name, user_ptr_del); free(temp); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T05:02:51.374Z
Question from Code
v1
what can i change so this code properly deletes a user from the friendslists
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } remove_friends(name, user_ptr_del); free(temp); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T05:03:25.420Z
Question from Code
v1
how can i fix the code
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } remove_friends(name, user_ptr_del); free(temp); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T05:06:29.686Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { free(temp); return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } remove_friends(name, user_ptr_del); free(temp); return 0; }
* From the list pointed to by *user_ptr_del, delete the user * with the given name. * Remove the deleted user from any lists of friends. * * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
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63c6479f5f004bf4898cf545
2023-02-12T05:07:30.956Z
Question from Code
v1
will this code behave as intended? Here is what it should do: * From the list pointed to by *user_ptr_del, delete the user * with the given name. * Remove the deleted user from any lists of friends. * * Return: * - 0 on success. * - 1 if a user with this name does not exist. */
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } } int delete_user(const char *name, User **user_ptr_del) { // Delete user from list User *curr = *user_ptr_del; User *temp = malloc(sizeof(User)); if (*user_ptr_del == NULL) { return 1; } // If 1 element in the list if (curr->next == NULL) { if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = NULL; free(temp); return 0; } else { return 1; } } // If 1st element is removed if (strcmp(curr->name, name) == 0) { temp = curr; *user_ptr_del = curr->next; free(temp); return 0; } while (strcmp(curr->next->name, name) != 0 && curr->next != NULL) { curr = curr->next; } // If name does not exist if (curr->next == NULL) { free(temp); return 1; } // If user to be removed is the last one if (curr->next->next == NULL) { temp = curr->next; curr->next = NULL; } else { // If user to be removed is in the middle of the list temp = curr->next; curr->next = curr->next->next; } remove_friends(name, user_ptr_del); free(temp); return 0; }
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63c6479f5f004bf4898cf545
2023-02-12T17:36:21.776Z
Question from Code
v1
does this code properly remove a user by the name of variable name from all the friendlists of the linked list of users starting at ptr_users? if not, how can fix it?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T17:37:40.184Z
Question from Code
v1
does this properly shit all the friends after user in the list by one?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T17:41:46.027Z
Question from Code
v1
does this code properly remove a friend from friendlists of all the users by shifting the list to the left by one after in the list after the user we want to remove? if not how can i fix it
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T17:51:26.945Z
Question from Code
v1
do lines 4-14 properly assign variable u_count to the position of the user by the name name in the friends list, and f_count to the number of friends in the friendslist? do lines 16-19 then properly remove the user from the friendlist of the users?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T17:53:45.572Z
Question from Code
v1
how do i properly assign u_count to the index of the removed user in the friendslist?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T17:54:20.572Z
Question from Code
v1
do lines 4-14 properly assign variable u_count to the position of the user by the name name in the friends list, and f_count to the number of friends in the friendslist? if not, what can i change?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T17:55:23.927Z
Question from Code
v1
do lines 16-19 then properly remove the user from the friendlist of the users? if not what can i change
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } for (int x = u_count; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T18:41:46.799Z
Question from Code
v1
do i need to delete the memory of the removed user in friendslist? and if so how?
void remove_friends(const char *name, User **ptr_users) { printf("bye"); User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } printf("%s", curr->friends[0]->name); if (f_count == 1 && u_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T18:42:47.700Z
Question from Code
v1
Does this code properly remove friends from the friendlist? what do i need to change or add?
void remove_friends(const char *name, User **ptr_users) { printf("bye"); User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } printf("%s", curr->friends[0]->name); if (f_count == 1 && u_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T18:44:06.096Z
Question from Code
v1
how can i fix this so i remove the user from the friendlists?
void remove_friends(const char *name, User **ptr_users) { printf("bye"); User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } printf("%s", curr->friends[0]->name); if (f_count == 1 && u_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T18:57:25.161Z
Question from Code
v1
how do i delete the user from the friendslist if there is only one friend in the friendslist?
void remove_friends(const char *name, User **ptr_users) { printf("bye"); User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } printf("%s", curr->friends[0]->name); if (f_count == 1 && u_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } } curr->friends[f_count - 1] = NULL; curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:00:53.828Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
remove the user from all the friendlists of the list of users
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63c6479f5f004bf4898cf545
2023-02-12T20:02:34.276Z
Question from Code
v1
will this properly remove the user from a 1 element long friendlist of a user?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:03:03.114Z
Question from Code
v1
is this code correct?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:03:22.291Z
Question from Code
v1
what do i need to do to fix this
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:05:00.263Z
Question from Code
v1
will this code correctly remove a user from all friendlists? if not, how can i fix it
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:12:54.684Z
Help Fix Code
v1
null
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0;Avoid remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1 && u_count == 1) { User *blank = malloc(sizeof(User) * MAX_FRIENDS); curr->friends = blank; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } } for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
remove user from all friendslists
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63c6479f5f004bf4898cf545
2023-02-12T20:13:40.085Z
Question from Code
v1
how do i fix it to make this compile
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0;Avoid remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1 && u_count == 1) { User *blank = malloc(sizeof(User) * MAX_FRIENDS); curr->friends = blank; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } } for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:14:50.436Z
Question from Code
v1
how do i fix the assignment to expression with array type error
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0;Avoid remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1 && u_count == 1) { User *blank = malloc(sizeof(User) * MAX_FRIENDS); curr->friends = blank; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } } for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:16:33.765Z
Question from Code
v1
is this correct
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:22:37.451Z
Question from Code
v1
will this code properly remove the user from a friendlist of length 1? if not, why?
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:23:52.118Z
Question from Code
v1
how do i remove a user from a friendlist of lenght 1
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T20:27:57.419Z
Question from Code
v1
will this code properly remove the user from a friendlist of length 1? if not, what can i do to fix it
void remove_friends(const char *name, User **ptr_users) { User *curr = *ptr_users; while (curr != NULL) { int f_count = 0; int u_count = 0; for (int i = 0; i < MAX_FRIENDS; i++) { if (curr->friends[i] != NULL) { f_count++; if (strcmp(curr->friends[i]->name, name) == 0) { u_count = f_count; } } } if (u_count != 0) { if (f_count == 1) { curr->friends[0] = NULL; } else { for (int x = u_count - 1; x < f_count - 1; x++) { curr->friends[x] = curr->friends[x + 1]; } curr->friends[f_count - 1] = NULL; } } curr = curr->next; } }
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63c6479f5f004bf4898cf545
2023-02-12T21:38:50.418Z
General Question
v1
how do i initialize time_t properly so i can get the current time
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63c6479f5f004bf4898cf545
2023-02-12T22:12:30.627Z
Question from Code
v1
will this properly set curr_time to the current time without junk bites? how can i fix it
time_t curr_time = sizeof(time_t); time(&curr_time); new_post->date = &curr_time;
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63c6479f5f004bf4898cf545
2023-02-12T22:13:58.742Z
Question from Code
v1
why do i keep getting the wrong date with this
time_t curr_time; time(&curr_time); new_post->date = &curr_time;
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