criyle/codenet-compile-errors huggingface dataset:
Language: C

#include <stdio.h>
int main(){
	int x,i;
	scanf_s("%d", &x);
	for (i = 1; x != 0;i++)
	{
		scanf_s("%d", &x);
		printf("case %d: %d",i,x);
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    4 |         scanf_s("%d", &x);
      |         ^~~~~~~
      |         scanf
Language: C

#include <stdio.h>
int main(){
	int x,i;
	scanf("%d", &x);
	for (i = 1; x != 0;i++)
	{
		scanf_s("%d", &x);
		printf("case %d: %d",i,x);
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    7 |                 scanf_s("%d", &x);
      |                 ^~~~~~~
      |                 scanf
Language: C

#include <stdio.h>
int main(){
	int x,i;
	scanf("%d", &x);
	for (i = 1; x != 0;i++)
	{
		scanf_s("%d", &x);
		printf("case %d: %d\n",i,x);
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    7 |                 scanf_s("%d", &x);
      |                 ^~~~~~~
      |                 scanf
Language: C

#include <stdio.h>
int main(){
	int x,i;
	scanf_s("%d", &x);
	for (i = 1; x != 0;i++)
	{
		scanf_s("%d", &x);
		printf("case %d: %d\n",i,x);
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    4 |         scanf_s("%d", &x);
      |         ^~~~~~~
      |         scanf
Language: C

#include <stdio.h>
int main(){
	int x,i=1;
	for (;;)
	{
		scanf_s("%d", &x);
		if (x == 0)
		{
			break;
		}
		printf("case %d: %d\n",i,x);
		i++;
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:17: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |                 scanf_s("%d", &x);
      |                 ^~~~~~~
      |                 scanf
Language: C

#include <stdio.h>
int main(){
	int x,i=1;
	for (;;)
	    scanf("%d", &x);
		if (x == 0)
		    break;
		printf("case %d: %d\n",i,x);
		i++;
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:21: error: break statement not within loop or switch
    7 |                     break;
      |                     ^~~~~
Language: C

#include <stdio.h>
int main(){
	int x,i=1;
	for (;;)
	{
		scanf("%d", &x);
		if (x == 0)
		{
			break;
		}
		else
		{
			printf("case %d: %d\n", i, x);
		}
                i++
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:20: error: expected ';' before '}' token
   15 |                 i++
      |                    ^
      |                    ;
   16 |         }
      |         ~
Language: C

#include <stdio.h>
int main(){
	int i=1, x;
	for(;;) {
		scanf_s("%d", &x);
		if (x == 0) {
			break;
		}
		else{
			printf("Case %d: %d\n", i, x);
			i++;

		}
		
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    5 |                 scanf_s("%d", &x);
      |                 ^~~~~~~
      |                 scanf
Language: C

#include <stdio.h>

int main(void){

  int i=1;
  
  while(1){
    scanf("%d",&x);
    if(x==0){
      break;
    }
    printf("case %d: %d",i,x);
    i++;
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:17: error: 'x' undeclared (first use in this function)
    8 |     scanf("%d",&x);
      |                 ^
main.c:8:17: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(void){

int x,i = 1;

while(x != 0){

	scanf("%d",&x);
	print("Case %d: %d\n",i,x);
	++i;
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:9: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   10 |         print("Case %d: %d\n",i,x);
      |         ^~~~~
      |         printf
Language: C

#include <stdio.h>
int main(){
  int a,y;
  
  for(y=1; ; y++){
    scanf("%d",&a);
    if(a == 0) break;
    printf("Case %d: %d\n",y,a);
   
  }

Compiler output:
main.c: In function 'main':
main.c:10:3: error: expected declaration or statement at end of input
   10 |   }
      |   ^
Language: C

 int i,x;
  scanf("%d",&x);
  i=0;

 while(1){
  i=i+1;
    if ( x == 0 ) break;

    printf("Case %d:%d \n",i,x);
    
    scanf("%d",&x);
    }

  return 0;
}

Compiler output:
main.c:2:9: error: expected declaration specifiers or '...' before string constant
    2 |   scanf("%d",&x);
      |         ^~~~
main.c:2:14: error: expected declaration specifiers or '...' before '&' token
    2 |   scanf("%d",&x);
      |              ^
main.c:3:3: warning: data definition has no type or storage class
    3 |   i=0;
      |   ^
main.c:3:3: error: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:5:2: error: expected identifier or '(' before 'while'
    5 |  while(1){
      |  ^~~~~
main.c:14:3: error: expected identifier or '(' before 'return'
   14 |   return 0;
      |   ^~~~~~
main.c:15:1: error: expected identifier or '(' before '}' token
   15 | }
      | ^
Language: C

#include <iostream>

int main() {
	int data[30], i;

	scanf("%d", &data[0]);

	for (i = 0; data[i] != 0; i++){
		scanf("%d", &data[i+1]);
	}

	for (i = 0; data[i] != 0; i++){
		printf("Case 1: %d\n", data[i]);
	}
	
	return 0;
}

Compiler output:
main.c:1:10: fatal error: iostream: No such file or directory
    1 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main(){
int a,b=1,x;
while{
scanf("%d",&x);
if(x==0)
break;
printf("Case %d: %d",b,x);
b++;
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:6: error: expected '(' before '{' token
    4 | while{
      |      ^
      |      (
Language: C

#include <stdio.h>
int main(void)
{
int a;
int i =1;

while(1){
scanf("%d",&a);
if(a == 0) break;
printf("Case %d: %d\n",i,a);
i++
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:4: error: expected ';' before '}' token
   11 | i++
      |    ^
      |    ;
   12 | }
      | ~
Language: C

include <stdio.h>

int main(void){
  int i = 1, x;
  for(;;){
    scanf("%d", &x);
    if(x == 0)
      break;
    printf("Case %d: %d\n", i, x);
    i++;
  }
  return 0;
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

#include<stdio.h>
int main(void){
int i,j,x[10];

i=0;
while(1){
scanf("%d",&x[i]);
if(x[i]==0){
bleak;
}
}
for("j=0;j<=i;j++"){
printf("Case %d: %d\n",j+1,x[j]);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:1: error: 'bleak' undeclared (first use in this function)
    9 | bleak;
      | ^~~~~
main.c:9:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:12:19: error: expected ';' before ')' token
   12 | for("j=0;j<=i;j++"){
      |                   ^
      |                   ;
main.c:12:19: error: expected expression before ')' token
Language: C

#include<stdio.h>
int main(void);
int i,x;

i=1;
while(1){
scanf("%d",&x);
if(x==0){
break;
}
printf("Case %d: %d\n",i,x);
}
return 0;
}

Compiler output:
main.c:5:1: warning: data definition has no type or storage class
    5 | i=1;
      | ^
main.c:5:1: error: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:6:1: error: expected identifier or '(' before 'while'
    6 | while(1){
      | ^~~~~
main.c:13:1: error: expected identifier or '(' before 'return'
   13 | return 0;
      | ^~~~~~
main.c:14:1: error: expected identifier or '(' before '}' token
   14 | }
      | ^
Language: C

#include <stdio.h>

int main(int argc,const char * argv[]){
int x,i;
i=1;
x=20;
while(x!=0){
scanf("%d",&x);
printf("Case %d: %d\n",i,x);
i++
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:4: error: expected ';' before '}' token
   10 | i++
      |    ^
      |    ;
   11 | }
      | ~
Language: C

#include <stdio.h>

int main(){
	int x;
	int i=0
		for (1){
			scanf("%d", &x);
			if (x == 0) break;
			printf("Case %d: %d", ++i, x);
		}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:17: error: expected ',' or ';' before 'for'
    6 |                 for (1){
      |                 ^~~
Language: C

#include <stdio.h>

int main(){
	int x;
	int i=0
		for (1){
			scanf("%d", &x);
			if (x == 0) break;
			printf("Case %d: %d\n", ++i, x);
		}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:17: error: expected ',' or ';' before 'for'
    6 |                 for (1){
      |                 ^~~
Language: C

#include <stdio.h>

int main(){
	int x;
	int i=0;
		for (1){
			scanf("%d", &x);
			if (x == 0) break;
			printf("Case %d: %d\n", ++i, x);
		}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:23: error: expected ';' before ')' token
    6 |                 for (1){
      |                       ^
      |                       ;
main.c:6:23: error: expected expression before ')' token
Language: C

#include <stdio.h>

int main(){
	int x, i;
	i = 0;
		for (1){
			scanf("%d", &x);
			if (x == 0) break;
			printf("Case %d: %d\n", ++i, x);
		}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:23: error: expected ';' before ')' token
    6 |                 for (1){
      |                       ^
      |                       ;
main.c:6:23: error: expected expression before ')' token
Language: C

#include <stdio.h>

int main(){
	int x, i;
	i = 0;
		for (1){
			scanf("%d", &x);
			if (x == 0)break;
			printf("Case %d: %d\n", ++i, x);
		}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:23: error: expected ';' before ')' token
    6 |                 for (1){
      |                       ^
      |                       ;
main.c:6:23: error: expected expression before ')' token
Language: C

#include<stdio.h>
int main(void){
 int x, y;
   y=0
    while(1){
    scanf("%d", &x);
    if( x == 0 )break;
    printf("case %d : %d", ++ y, x);
   }
 return 0;
}
    

Compiler output:
main.c: In function 'main':
main.c:4:7: error: expected ';' before 'while'
    4 |    y=0
      |       ^
      |       ;
    5 |     while(1){
      |     ~~~~~
Language: C

#include <stdio.h>

int main(int argc,const char argv[]){
int i,x;
i=1;
while(x!=0){
scanf("%d",&x)
printf("Case %d: %d",i,x);
i++;
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:15: error: expected ';' before 'printf'
    7 | scanf("%d",&x)
      |               ^
      |               ;
    8 | printf("Case %d: %d",i,x);
      | ~~~~~~
Language: C

#include <stdio.h>

int main(int argc,const char * argv[]){
int i,x;
i=1;
while(x!=0){
scanf("%d",&x)
printf("Case %d: %d",i,x);
i++;
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:15: error: expected ';' before 'printf'
    7 | scanf("%d",&x)
      |               ^
      |               ;
    8 | printf("Case %d: %d",i,x);
      | ~~~~~~
Language: C

/*********************************
*include
*********************************/
#include <stdio.h>

/*********************************
*define
*********************************/


/*********************************
*function
*********************************/
int main( void )
{
	int input;
	int case_count;

	case_count = 0;
	input = 0;

	while( 1 ) {
		scanf( "%d", &input );
		if ( 0 != input ) {
			printf( "Case %d: %d\n", case_count, iuput );
		} else {
			break;
		}
		case_count++;
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:25:62: error: 'iuput' undeclared (first use in this function); did you mean 'input'?
   25 |                         printf( "Case %d: %d\n", case_count, iuput );
      |                                                              ^~~~~
      |                                                              input
main.c:25:62: note: each undeclared identifier is reported only once for each function it appears in
Language: C

/*********************************
*include
*********************************/
#include <stdio.h>

/*********************************
*define
*********************************/
int input_ary[ 100 ];

/*********************************
*function
*********************************/
int main( void )
{
	int input;
	int case_count;

	case_count = 0;
	input = 0;

	while( 1 ) {
		scanf( "%d", &input );
		if ( 0 == input ) {
			break;
		}
		input_ary[ case_count ] = input;
		case_count++;
	}
	
	for( int loop = 0l loop < case_count; loop++ ) {
		printf( "Case %d: %d\n", loop, input_ary[ loop ] );
	}
	
	return ( 0 );
}

Compiler output:
main.c: In function 'main':
main.c:31:28: error: expected ',' or ';' before 'loop'
   31 |         for( int loop = 0l loop < case_count; loop++ ) {
      |                            ^~~~
main.c:31:53: error: expected ';' before ')' token
   31 |         for( int loop = 0l loop < case_count; loop++ ) {
      |                                                     ^~
      |                                                     ;
Language: C

#include <stdio.h>

int main(int argc,const char * argv[]){
int x;
i=1;
while(x!=0){
scanf("%d"&x);
printf("Case %d: %d\n",i,x);
i++
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: 'i' undeclared (first use in this function)
    5 | i=1;
      | ^
main.c:5:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:11: error: invalid operands to binary & (have 'char *' and 'int')
    7 | scanf("%d"&x);
      |       ~~~~^
      |       |
      |       char *
main.c:9:4: error: expected ';' before '}' token
    9 | i++
      |    ^
      |    ;
   10 | }
      | ~
Language: C

#include <stdio.h>

int main(int argc,const char * argv[]){
int i,x;
while(x!=0){
scanf("%d",&x);
printf("Case %d: %d\n",i,x);
i++
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:4: error: expected ';' before '}' token
    8 | i++
      |    ^
      |    ;
    9 | }
      | ~
Language: C

#include <stdio.h>

int main(int argc,const char * argv[]){
int i,x;
i=1;
while(x!=0){
scanf("%d",&x);
printf("Case %d: %d\n",i,x);
i++
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:4: error: expected ';' before '}' token
    9 | i++
      |    ^
      |    ;
   10 | }
      | ~
Language: C

#include <stdio.h>
 
int main(int argc,const char * argv[]){
int i,x;
i=1;
while(x==0){
scanf("%d",&x);
if(x==0){
printf("Case %d: %d\n",i,x);
break;
}else{
printf("Case %d: %d\n",i,x);
i++
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:4: error: expected ';' before '}' token
   13 | i++
      |    ^
      |    ;
   14 | }
      | ~
Language: C

#include <stdio.h>

int main(int argc,const char * argv[]){
int i,x;
i=1;
while(x<=0){
scanf("%d",&x);
if(x==0){
printf("Case %d: %d\n",i,x);
break;
}else{
printf("Case %d: %d\n",i,x);
i++;
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:16:1: error: expected declaration or statement at end of input
   16 | }
      | ^
Language: C


#include<stdio.h>

#define  NUM  100000

int main(void)
{
	long i = 0;
	long j = 0;
	long x[NUM];

	while (1) {

		scanf("%d", x[i]);

		j++;

		if (x[i] == 0)
			break;

		i++;
	}

	for (i = 0; i < j; i++)
		printf("Case %d: %d\n", i+1, x[i])

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:25:51: error: expected ';' before 'return'
   25 |                 printf("Case %d: %d\n", i+1, x[i])
      |                                                   ^
      |                                                   ;
   26 | 
   27 |         return 0;
      |         ~~~~~~
Language: C

int main(int argc, const char * argv[]){
    int i,x[],count;
    while(x[]!=0){
        for(i=1;1<=i;i++){
            scanf("%d",&x[i-1]);
            count++;
        }
    }
    for(i=1;i<=count;i++){
        printf("case %d: %d\n",i,x[i-1]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:11: error: array size missing in 'x'
    2 |     int i,x[],count;
      |           ^
main.c:3:13: error: expected expression before ']' token
    3 |     while(x[]!=0){
      |             ^
main.c:5:13: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    5 |             scanf("%d",&x[i-1]);
      |             ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:5:13: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    5 |             scanf("%d",&x[i-1]);
      |             ^~~~~
main.c:5:13: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:10:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 |         printf("case %d: %d\n",i,x[i-1]);
      |         ^~~~~~
main.c:10:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:10:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x[],count;
    while(x[i]!=0){
        for(i=1;1<=i;i++){
            scanf("%d",&x[i-1]);
            count++;
        }
    }
    for(i=1;i<=count;i++){
        printf("case %d: %d\n",i,x[i-1]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:11: error: array size missing in 'x'
    2 |     int i,x[],count;
      |           ^
main.c:5:13: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    5 |             scanf("%d",&x[i-1]);
      |             ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:5:13: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    5 |             scanf("%d",&x[i-1]);
      |             ^~~~~
main.c:5:13: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:10:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 |         printf("case %d: %d\n",i,x[i-1]);
      |         ^~~~~~
main.c:10:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:10:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x[],count;
    scanf("%d",&x[0]);
    while(x[0]!=0){
        for(i=1;1<=i;i++){
            scanf("%d",&x[i-1]);
            count++;
        }
    }
    for(i=1;i<=count;i++){
        printf("case %d: %d\n",i,x[i-1]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:11: error: array size missing in 'x'
    2 |     int i,x[],count;
      |           ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x[0]);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x[0]);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:11:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   11 |         printf("case %d: %d\n",i,x[i-1]);
      |         ^~~~~~
main.c:11:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:11:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:11:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x,x[],count=0;
    scanf("%d",&x);
    if(x!=0){
        x[0]=x;
        for(i=1;1<=i;i++){
            scanf("%d",&x[i]);
            while(x[i]==0){
                break;
            }
            count++;
        }
    }
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:13: error: conflicting types for 'x'; have 'int[]'
    2 |     int i,x,x[],count=0;
      |             ^
main.c:2:11: note: previous declaration of 'x' with type 'int'
    2 |     int i,x,x[],count=0;
      |           ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:15:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   15 |         printf("case %d: %d\n",i+1,x[i]);
      |         ^~~~~~
main.c:15:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:15:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:15:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x,x[],count=0;
    scanf("%d",&x);
    if(x!=0){
        x[0]=x;
        for(i=1;i<=99999999;i++){
            scanf("%d",&x[i]);
            while(x[i]==0){
                break;
            }
            count++;
        }
    }
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:13: error: conflicting types for 'x'; have 'int[]'
    2 |     int i,x,x[],count=0;
      |             ^
main.c:2:11: note: previous declaration of 'x' with type 'int'
    2 |     int i,x,x[],count=0;
      |           ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:15:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   15 |         printf("case %d: %d\n",i+1,x[i]);
      |         ^~~~~~
main.c:15:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:15:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:15:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x,x[],count=0;
    scanf("%d",&x);
    if(x!=0){
        for(i=1;i<=99999999;i++){
            scanf("%d",&x[i]);
            while(x[i]==0){
                break;
            }
            count++;
        }
    }
    printf("%d\n",x);
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:13: error: conflicting types for 'x'; have 'int[]'
    2 |     int i,x,x[],count=0;
      |             ^
main.c:2:11: note: previous declaration of 'x' with type 'int'
    2 |     int i,x,x[],count=0;
      |           ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:13:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   13 |     printf("%d\n",x);
      |     ^~~~~~
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:13:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x,x[99999999],count=0;
    scanf("%d",&x);
    if(x!=0){
        for(i=1;i<=99999999;i++){
            scanf("%d",&x[i]);
            while(x[i]==0){
                break;
            }
            count++;
        }
    }
    printf("%d\n",x);
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:13: error: conflicting types for 'x'; have 'int[99999999]'
    2 |     int i,x,x[99999999],count=0;
      |             ^
main.c:2:11: note: previous declaration of 'x' with type 'int'
    2 |     int i,x,x[99999999],count=0;
      |           ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:13:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   13 |     printf("%d\n",x);
      |     ^~~~~~
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:13:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i,x,x[],count=0;
    scanf("%d",&x);
    if(x!=0){
        for(i=0;i<=99999999;i++){
            scanf("%d",&x[i]);
            while(x[i]==0){
                break;
            }
            count++;
        }
    }
    printf("%d\n",x);
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:13: error: conflicting types for 'x'; have 'int[]'
    2 |     int i,x,x[],count=0;
      |             ^
main.c:2:11: note: previous declaration of 'x' with type 'int'
    2 |     int i,x,x[],count=0;
      |           ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:13:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   13 |     printf("%d\n",x);
      |     ^~~~~~
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:13:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i=0,x,x[],count=0;
    scanf("%d",&x);
    while(x!=0){
        scanf("%d",&x[i]);
        i++;
        count++;
    }
    printf("%d\n",x);
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:15: error: conflicting types for 'x'; have 'int[]'
    2 |     int i=0,x,x[],count=0;
      |               ^
main.c:2:13: note: previous declaration of 'x' with type 'int'
    2 |     int i=0,x,x[],count=0;
      |             ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&x);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:9:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    9 |     printf("%d\n",x);
      |     ^~~~~~
main.c:9:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:9:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:9:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

int main(int argc, const char * argv[]){
    int i=0,x,X,Y,x[],count=0;
    scanf("%d",&X);
    if(X!=0){
        scanf("%d",&Y);
        x=Y;
        while(x!=0){
            scanf("%d",&x[i]);
            i++;
            count++;
            x=x[i];
        }
    printf("%d\n",X);
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:19: error: conflicting types for 'x'; have 'int[]'
    2 |     int i=0,x,X,Y,x[],count=0;
      |                   ^
main.c:2:13: note: previous declaration of 'x' with type 'int'
    2 |     int i=0,x,X,Y,x[],count=0;
      |             ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&X);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&X);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:13:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   13 |     printf("%d\n",X);
      |     ^~~~~~
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:13:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:18:1: error: expected declaration or statement at end of input
   18 | }
      | ^
Language: C

int main(int argc, const char * argv[]){
    int i=0,x,X,Y,x[1000],count=0;
    scanf("%d",&X);
    if(X!=0){
        scanf("%d",&Y);
        x=Y;
        while(x!=0){
            scanf("%d",&x[i]);
            i++;
            count++;
            x=x[i];
        }
    printf("%d\n",X);
    for(i=0;i<=count+1;i++){
        printf("case %d: %d\n",i+1,x[i]);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:2:19: error: conflicting types for 'x'; have 'int[1000]'
    2 |     int i=0,x,X,Y,x[1000],count=0;
      |                   ^
main.c:2:13: note: previous declaration of 'x' with type 'int'
    2 |     int i=0,x,X,Y,x[1000],count=0;
      |             ^
main.c:3:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |     scanf("%d",&X);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(int argc, const char * argv[]){
main.c:3:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |     scanf("%d",&X);
      |     ^~~~~
main.c:3:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:13:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   13 |     printf("%d\n",X);
      |     ^~~~~~
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:13:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:18:1: error: expected declaration or statement at end of input
   18 | }
      | ^
Language: C

#include <stdio.h>
int main ()
{
	int x,i;
	for(i=0;x=0:i++)
	{
	scanf("%d",&x);
	}
	printf("case %d: %d",i,x);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:20: error: expected ';' before ':' token
    5 |         for(i=0;x=0:i++)
      |                    ^
      |                    ;
Language: C

#include <stdio.h>

int main(void){
  int i,n;
  i = 1
  do{ 
  i++;
  scanf("%d", &n);
  printf("Case %d: %d\n",i,n);
  } while (n != 0);

}

Compiler output:
main.c: In function 'main':
main.c:5:8: error: expected ';' before 'do'
    5 |   i = 1
      |        ^
      |        ;
    6 |   do{
      |   ~~
Language: C

#include <stdio.h>

int main(void){
  int i,n;
  i = 1;
  do{ 
  scanf("%d", &n);
  printf("Case %d: %d\n",i,n);
　i++;
  } while (n != 0);

}

Compiler output:
main.c: In function 'main':
main.c:9:1: error: stray '\343' in program
    9 | <U+3000>i++;
      | ^~~~~~~~
Language: C

#include<stdio.h>
	int main(void){
		
		int x;
		int i=1;
		
		while(1){
			scanf("%d",&x);
			if(x==0){
				break;
			}
				printf("case %d: %d\n",i,x);
				i++;
			}
		}
return 0;
}

Compiler output:
main.c:16:1: error: expected identifier or '(' before 'return'
   16 | return 0;
      | ^~~~~~
main.c:17:1: error: expected identifier or '(' before '}' token
   17 | }
      | ^
Language: C

#include<stdio.h>
	int main(void){
		
		int x;
		int i=1;
		
		while(1){
			scanf("%d",&x);
			if(x=!0){
				printf("case %d: %d\n",i,x);
				i++;
			}
			if(x==0)break;
			}
		}
return 0;
}

Compiler output:
main.c:16:1: error: expected identifier or '(' before 'return'
   16 | return 0;
      | ^~~~~~
main.c:17:1: error: expected identifier or '(' before '}' token
   17 | }
      | ^
Language: C

#include<stdio.h>

int main(){

    int i, x;

    i = 1;

    while (True) {
    	scanf("%d", &x);
    	if (x == 0){
    		break;
    	} else {
    		printf("Case %d: %d", i, x);
    	}
    	i = i + 1;
    }
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:12: error: 'True' undeclared (first use in this function)
    9 |     while (True) {
      |            ^~~~
main.c:9:12: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void)
{
	int i,a[];
	i=1;
	do{
		scanf("%d",&a[i]);
		i++;
	}while(a[i]!=0);
for(i=1;a[i]!=0;i++){
	printf("Case %d: %d\n",i,a[i]);
}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:15: error: array size missing in 'a'
    5 |         int i,a[];
      |               ^
Language: C

#include <stdio.h>
int main(){

int x, y, k[], count = 0;

for(i = 0; k[i] == 0; i++){
	scanf("%i?\n", &k[i]);
	count ++;
}	
for(i = 0; ){
	printf("Case%i : %i?\n", i, k[count-1]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:11: error: array size missing in 'k'
    4 | int x, y, k[], count = 0;
      |           ^
main.c:6:5: error: 'i' undeclared (first use in this function)
    6 | for(i = 0; k[i] == 0; i++){
      |     ^
main.c:6:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:12: error: expected expression before ')' token
   10 | for(i = 0; ){
      |            ^
Language: C

#include <stdio.h>
int main(){

int x, y, count = 0;
int[] = k[];
for(i = 0; k[i] == 0; i++){
	scanf("%i?\n", &k[i]);
	count ++;
}	
for(i = 0; ){
	printf("Case%i : %i?\n", i, k[count-1]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: expected identifier or '(' before '[' token
    5 | int[] = k[];
      |    ^
main.c:6:5: error: 'i' undeclared (first use in this function)
    6 | for(i = 0; k[i] == 0; i++){
      |     ^
main.c:6:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:12: error: 'k' undeclared (first use in this function)
    6 | for(i = 0; k[i] == 0; i++){
      |            ^
main.c:10:12: error: expected expression before ')' token
   10 | for(i = 0; ){
      |            ^
Language: C

#include <stdio.h>
int main(){

int count = 0;
int[] = k[];
for(int i = 0; k[i] == 0; i++){
	scanf("%i?\n", &k[i]);
	count ++;
}	
for(int i = 0; i < count; i++){
	printf("Case%i : %i?\n", i, k[count]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: expected identifier or '(' before '[' token
    5 | int[] = k[];
      |    ^
main.c:6:16: error: 'k' undeclared (first use in this function)
    6 | for(int i = 0; k[i] == 0; i++){
      |                ^
main.c:6:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
int main(){

int count = 0;
int[] = k[];
for(int i = 0; k[i] == 0; i++){
	scanf("%i?\n", &k[i]);
	count ++;
}	
for(int i = 0; i < count; i++){
	printf("Case%i : %i?\n", i, k[i]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: expected identifier or '(' before '[' token
    5 | int[] = k[];
      |    ^
main.c:6:16: error: 'k' undeclared (first use in this function)
    6 | for(int i = 0; k[i] == 0; i++){
      |                ^
main.c:6:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
int main(){

int count = 0;
int[] = k[];
for(int i = 0; k[i] == 0; i++){
	scanf("%d?\n", &k[i]);
	count ++;
}	
for(int i = 0; i < count; i++){
	printf("Case%d : %i?\n", i, k[i]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: expected identifier or '(' before '[' token
    5 | int[] = k[];
      |    ^
main.c:6:16: error: 'k' undeclared (first use in this function)
    6 | for(int i = 0; k[i] == 0; i++){
      |                ^
main.c:6:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
int main(){

int count = 0;
int[] = k[];
for(int i = 0; k[i] == 0; i++){
	scanf("%d?\n", &k[i]);
	count ++;
}	
for(int i = 0; i < count; i++){
	printf("Case%d : %d?\n", i, k[i]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: expected identifier or '(' before '[' token
    5 | int[] = k[];
      |    ^
main.c:6:16: error: 'k' undeclared (first use in this function)
    6 | for(int i = 0; k[i] == 0; i++){
      |                ^
main.c:6:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#inclide<stdio.h>
int main(){

int n,i=1;

while(1){
scanf("%d",&n);
printf("Case %d: %d\n",i,n);
if(n==0) break;
i++;

}

return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inclide; did you mean #include?
    1 | #inclide<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:7:1: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    7 | scanf("%d",&n);
      | ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #inclide<stdio.h>
main.c:7:1: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    7 | scanf("%d",&n);
      | ^~~~~
main.c:7:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:8:1: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    8 | printf("Case %d: %d\n",i,n);
      | ^~~~~~
main.c:8:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:1: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:8:1: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#inclide<stdio.h>
int main(){

int n,i=1;

while(1){
scanf("%d",&n);

if(n==0) break;
printf("Case %d: %d\n",i,n);
i++;

}

return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inclide; did you mean #include?
    1 | #inclide<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:7:1: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    7 | scanf("%d",&n);
      | ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #inclide<stdio.h>
main.c:7:1: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    7 | scanf("%d",&n);
      | ^~~~~
main.c:7:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:10:1: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   10 | printf("Case %d: %d\n",i,n);
      | ^~~~~~
main.c:10:1: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:10:1: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:10:1: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

include <stdio.h>

int main(int argc, const char * argv[]) {
    int x;
    int i = 1;
    
    while (1){
        scanf("%d", &x);
        if (x==0) {
            break;
        }
        else{
            printf("Case %d: %d\n", i, x);
        }
        i++;
    }
    
    return 0;
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

#include<stdio.h>

int main(){
int i=1,x;


do{
scanf("%d",&x);
printf("case %d\n: %d",i,x);


i++
}while(x!=0);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:4: error: expected ';' before '}' token
   12 | i++
      |    ^
      |    ;
   13 | }while(x!=0);
      | ~
Language: C

#include<stdio.h>

int main(){
int i=1,x;

scanf("%d",&x);

while(x!=0){
scanf("%d",&x);
printf("case %d\n: %d",i,x);

i++
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:4: error: expected ';' before '}' token
   12 | i++
      |    ^
      |    ;
   13 | }
      | ~
Language: C

#include<stdio.h>
int main (void){
  int i;
  int a[];

  for(i=0;a[i]==0;i++)
    scanf("%d",&a[i]);

  for(i=0;a[i]==0;i++)
    printf("Case %d:%d\n",i,a[i]);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:7: error: array size missing in 'a'
    4 |   int a[];
      |       ^
Language: C

#include<stdio.h>
int main(){
int n;
int i;
for(i=1;;i++);
if(n == 0)break;
printf("Case %d: %d",n,i);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:11: error: break statement not within loop or switch
    6 | if(n == 0)break;
      |           ^~~~~
main.c: At top level:
main.c:9:1: error: expected identifier or '(' before 'return'
    9 | return 0;
      | ^~~~~~
main.c:10:1: error: expected identifier or '(' before '}' token
   10 | }
      | ^
Language: C

#include<stdio.h>
int main(void){
int i=0,x;
while(1){
scanf("%d",&x);
i++;
if(x==0){break;}
printf("Case %d: %d",i,x);
}
retrun 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:1: error: 'retrun' undeclared (first use in this function)
   10 | retrun 0;
      | ^~~~~~
main.c:10:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:7: error: expected ';' before numeric constant
   10 | retrun 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>
int main(void){
int i=0,x;
while(1){
scanf("%d",&x);
i++;
if(x==0){break;}
printf("Case %d: %d\n",i,x);
}
retrun 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:1: error: 'retrun' undeclared (first use in this function)
   10 | retrun 0;
      | ^~~~~~
main.c:10:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:7: error: expected ';' before numeric constant
   10 | retrun 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>
int main(void)
{
 int n;
   while(1){
     if(n==0) break;
     scanf("%d",&n);
     puts("%d",n);
   }
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:6: error: too many arguments to function 'puts'
    8 |      puts("%d",n);
      |      ^~~~
In file included from main.c:1:
/usr/include/stdio.h:714:12: note: declared here
  714 | extern int puts (const char *__s);
      |            ^~~~
Language: C

#include<stdio.h>
int main(void)
{
int c,n =0;
scanf("%d",&n);
while(n !=0){
c = c+1
printf("Case "%d" : "%d",c,n);
scanf("%d",&n);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:8: error: expected ';' before 'printf'
    7 | c = c+1
      |        ^
      |        ;
    8 | printf("Case "%d" : "%d",c,n);
      | ~~~~~~  
main.c:8:24: warning: missing terminating " character
    8 | printf("Case "%d" : "%d",c,n);
      |                        ^
main.c:8:24: error: missing terminating " character
    8 | printf("Case "%d" : "%d",c,n);
      |                        ^~~~~~~
main.c:12:1: error: expected declaration or statement at end of input
   12 | }
      | ^
Language: C

#include<stdio.h>
int main(void)
{
int c,n =0;
scanf("%d",&n);
while(n !=0){
c = c+1;
printf("Case "%d" : "%d",c,n);
scanf("%d",&n);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:16: error: 'd' undeclared (first use in this function)
    8 | printf("Case "%d" : "%d",c,n);
      |                ^
main.c:8:16: note: each undeclared identifier is reported only once for each function it appears in
main.c:8:17: error: expected ')' before string constant
    8 | printf("Case "%d" : "%d",c,n);
      |       ~         ^~~~~
      |                 )
main.c:8:24: warning: missing terminating " character
    8 | printf("Case "%d" : "%d",c,n);
      |                        ^
main.c:8:24: error: missing terminating " character
    8 | printf("Case "%d" : "%d",c,n);
      |                        ^~~~~~~
main.c:9:16: error: expected ';' before '}' token
    9 | scanf("%d",&n);
      |                ^
      |                ;
   10 | }
      | ~
Language: C

#include<stdio.h>
int main(void)
{
 int n,c;
 n=0;
 c=0;
 while(1){
  c = c+1
  scanf("%d",&n);
  if(n == 0) break;
  printf("Case %d: %d",c,n);
 }
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:10: error: expected ';' before 'scanf'
    8 |   c = c+1
      |          ^
      |          ;
    9 |   scanf("%d",&n);
      |   ~~~~~
Language: C

#include<stdio.h>
int main(void){
int a[];
int i;
scanf("%d",&a[]);
while(1){
printf("Case %d: %d",i+1,a[i])

if(a[i]==0)break;
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:3:5: error: array size missing in 'a'
    3 | int a[];
      |     ^
main.c:5:15: error: expected expression before ']' token
    5 | scanf("%d",&a[]);
      |               ^
main.c:7:31: error: expected ';' before 'if'
    7 | printf("Case %d: %d",i+1,a[i])
      |                               ^
      |                               ;
    8 | 
    9 | if(a[i]==0)break;
      | ~~
Language: C

#include<stdio.h>
int main(void){
int a,i;
while(1){
scanf("%d",&a);
if(a==0)break;
i=i++
printf("Case %d: %d",i+1,a)
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:6: error: expected ';' before 'printf'
    7 | i=i++
      |      ^
      |      ;
    8 | printf("Case %d: %d",i+1,a)
      | ~~~~~~