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

void insertionSort(int *A,int n,int g){
  int i,j,v;
  for(i=g;i<n;i++){
    v=A[i];
    j=i-g;
    while(j>=0 && A[j]>v){
      A[j+g]=A[j];
      j=j-g;
      cnt++;
    }
    A[j+g]=v;
  }
}

void shellSort(int *A,int n){
  int i,x=0,G[]={121,40,13,4,1};
  cnt=0;
  if(n<121) x++;
  if(n<40) x++;
  if(n<13) x++;
  if(n<4) x++;
  printf("%d\n",m-x);
  for(i=x;i<m;i++){
    if(i<m-1)  printf("%d ",G[i]);
    else printf("%d\n",G[i]);
    }
  
    for(i=x;i<m;i++){
      insertionSort(A,n,G[i]);
    }
  printf("%d\n",cnt);
}

Compiler output:
main.c: In function 'insertionSort':
main.c:9:7: error: 'cnt' undeclared (first use in this function); did you mean 'int'?
    9 |       cnt++;
      |       ^~~
      |       int
main.c:9:7: note: each undeclared identifier is reported only once for each function it appears in
main.c: In function 'shellSort':
main.c:17:3: error: 'cnt' undeclared (first use in this function); did you mean 'int'?
   17 |   cnt=0;
      |   ^~~
      |   int
main.c:22:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   22 |   printf("%d\n",m-x);
      |   ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | void insertionSort(int *A,int n,int g){
main.c:22:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   22 |   printf("%d\n",m-x);
      |   ^~~~~~
main.c:22:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:22:17: error: 'm' undeclared (first use in this function)
   22 |   printf("%d\n",m-x);
      |                 ^
Language: C

#include <stdio.h>
#include <stdlib.h>
#define N 1000000
void insertionSort(int *A,int n,int g);
void shellSort(int *A,int n);
int m=5,cnt;
int main(){
  int i,n,A[N];
  
  if(scanf("%d",&n)!=1){
    printf("Too Large\n");
    exit(4);
}
  for(i=0;i<n;i++) scanf("%d",&A[i]);
 
  shellSort(A,n);

  for(i=0;i<n;i++) printf("%d\n",A[i]);
  
  return 0;
}
void insertionSort(int *A,int n,int g){
  int i,j,v;
  for(i=g;i<n;i++){
    v=A[i];
    j=i-g;
    while(j>=0 && A[j]>v){
      A[j+g]=A[j];
      j=j-g;
      cnt++;
    }
    A[j+g]=v;
  }
}

Compiler output:
/usr/bin/ld: /tmp/cclOKTXJ.o: in function `main':
main.c:(.text+0x94): undefined reference to `shellSort'
collect2: error: ld returned 1 exit status
Language: C

#include <stdio.h>
#include <stdlib.h>
#define N 1000000
void sellSort(int *A,int n);
void insertionSort(int *A,int n, int g);
int cnt;
int m=5;
int main(){
  int i,j,n,A[N];
  scanf("%d",&n);
  if(n>1000000 ){
    fprintf(stderr,"Too Large\n");
    exit(8);
  }
  
  for(i=0;i<n;i++){
    scanf("%d",&A[i]);
    if(A[i]>10000000000 ){
      fprintf(stderr,"Too Large\n");
      exit(8);
    }
  sellSort(A,n);
  
 
  
  return 0;
  
}

void sellSort(int *A,int n){
  int i,j=0,G[]={121,40,13,4,1};
  
  cnt = 0;
  if(n<121)j++;
  if(n<40)j++;
  if(n<13)j++;
  if(n<4)j++;
  
  for(i=j;i<m;i++){
    
    insertionSort(A,n,G[i]);
  }
  printf("%d\n",m-j);
  
  for(i=j;i<m;i++){
    if(i<m-1)
      printf("%d ",G[i]);
    else
      printf("%d\n",G[i]);
  }
  printf("%d\n",cnt);
  for(i=0;i<n;i++)printf("%d\n",A[i]);
  
  
}


void insertionSort(int *A,int n, int g){
  int i,j,v;
  
  for(i=g;i<n;i++){
    v=A[i];
    j=i-g;
    while(j>=0 && A[j]>v){
      A[j+g] = A[j];
      j=j-g;
      cnt++;
      
    }
    A[j+g] = v;
  }
}

Compiler output:
main.c: In function 'main':
main.c:72:1: error: expected declaration or statement at end of input
   72 | }
      | ^
Language: C

#include <stdio.h>

void insertionSort(int*, int, int);
void shellSort(int*, int);
void print(int, int*, int*, int);

int cnt;

int main(void){
  int n, i;
  int A[1000000];
  scanf("%d", &n);
  for(i = 0; i < n; i ++){
    scanf("%d", &A[i]);
  }
  shellSort(A, n);
  return 0;
}

void insertionSort(int *A, int n, int g){
  int i, j, v;
  for(i = g; i < n; i++){
    v = A[i];
    j = i - g;
    while((j >= 0)&&(A[j] > v)){
      A[j+g] = A[j];
      j -= g;
      cnt++;
    }
    A[j+g] = v;
  }
  return;
}

void shellSort(int *A, int n){
  int m, i, G[100];
  cnt = 0;
  for(i = 0; i < n; i++){
    G[i] = n/(2*(i+1));
    m++;
    if(G[i] == 0) G[i] = 1;t
    if(G[i] == 1) break;
  }
  for(i = 0; i < m; i++){
    insertionSort(A, n, G[i]);
  }
  print(m, G, A, n);
  return;
}

void print(int m, int *G, int *A, int n){
  int i;
  printf("%d\n", m);
  for(i = 0; i < m; i++){
    printf("%d", G[i]);
    if(i+1 != m) printf(" ");
  }
  printf("\n%d\n", cnt);
  for(i = 0; i < n; i++){
    printf("%d\n", A[i]);
  }
  return;
}

Compiler output:
main.c: In function 'shellSort':
main.c:41:28: error: 't' undeclared (first use in this function)
   41 |     if(G[i] == 0) G[i] = 1;t
      |                            ^
main.c:41:28: note: each undeclared identifier is reported only once for each function it appears in
main.c:41:29: error: expected ';' before 'if'
   41 |     if(G[i] == 0) G[i] = 1;t
      |                             ^
      |                             ;
   42 |     if(G[i] == 1) break;
      |     ~~
Language: C

#include <iostream>
  
inline unsigned insertion_sort(unsigned a[], unsigned n, unsigned gap){
  unsigned count = 0;
  for(unsigned i = gap; i < n; i++){
    unsigned v = a[i];
    int j = i - gap;
    while(j >= 0 && a[j] > v){
      a[j+gap] = a[j];
      j -= gap;
      count++;
    }
    a[j+gap] = v;
  }
  return count;
}
  
inline void shell_sort(unsigned a[], unsigned n){
  const unsigned gaps[] = {1,8,23,77,281,1073,4193,16577,65921,262913,1050113};
  // generated from pow(4,i)+3*pow(2,i-1)+1 (prefixed with 1)
  
  unsigned gap_num = 0, count = 0;
  while(gaps[gap_num+1] < n) gap_num++;
  
  for(int i = gap_num; i >= 0; i--) count += insertion_sort(a,n,gaps[i]);
  
  std::cout << (gap_num+1) << '\n';
  
  for(int i = gap_num; i; i--) std::cout << gaps[i] << ' ';
  std::cout << gaps[0] << '\n';
  
  std::cout << count << '\n';
}
  
int main(){
  std::ios::sync_with_stdio(false);
  unsigned n;
  unsigned a[1000000];
  std::cin >> n;
  for(unsigned i = 0; i < n; i++) std::cin >> a[i];
  shell_sort(a,n);
  for(unsigned i = 0; i < n; i++) std::cout << a[i] << '\n';
}

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

#include<stdio.h>
 
#define N 1000000
 
int count = 0;
 
void insertSort(int *, int ,int );
 
void shellSort(int *,int );
 
int main(){
  
  int n,i;

  int A[1000000];
 
  scanf("%d",&n);
 
  for(i = 0;i < n;i ++)
    {
      scanf("%d",&A[i]);
    } 

  shellSort(A,n);

  return 0;
}

void insertSort(int *A, int n,int g)
{
  
int i,j,v;
 
  for(i = g;i < n;i ++)
{
    v = A[i];
    j = i-g;
    while(j >= 0 && A[j] > v)
{
      A[j+g] = A[j];
      j = j-g;
      count ++;
    }
    A[j+g] = v;
  }
}

Compiler output:
/usr/bin/ld: /tmp/ccDeJf33.o: in function `main':
main.c:(.text+0x76): undefined reference to `shellSort'
collect2: error: ld returned 1 exit status
Language: C

#include<stdio.h>
#include<math.h>
#define MAX 1000000
long count;
int S[MAX];
int n;
int G[1000000000000000000];
int Glen=0;

void insertSort(int S[],int n,int gnum)
{
  int i,j;
  int t;
  for(i=gnum;i<n;i++)
    {
      t=S[i];
      j=i-gnum;
      while(j>=0 &&S[j]>t)
	{
	  S[j+gnum]=S[j];
	  j-=gnum;
	  count++;
	}
      S[j+gnum]=t;
    }
}

void shellSort(int S[],int n)
{
  int i=1,j=1;
  G[0]=1;
  while(1)
    {
      if(j>n)break;
      G[i]=3*i+1;
      j=3*i+1;
      i++;
      Glen++;
    }

  for(i=Glen-1;i>=0;i--) insertSort(S,n,G[i]);
}
int main()
{
  scanf("%d",&n);
  int i;
  for(i=0;i<n;i++)
    {
      scanf("%d",&S[i]);
    }
  count=0;
  shellSort(S,n);
  printf("%d\n",Glen);

  for(i=Glen-1;i>=0;i--)
    {
      printf("%d",G[i]);
      if(i)printf(" ");
    }
  printf("\n");
  printf("%d\n",count);
  for(i=0;i<n;i++)printf("%d\n",S[i]);
  return 0;
}

Compiler output:
/tmp/ccXV4NPs.o: in function `shellSort':
main.c:(.text+0x141): relocation truncated to fit: R_X86_64_PC32 against symbol `Glen' defined in .bss section in /tmp/ccXV4NPs.o
main.c:(.text+0x14a): relocation truncated to fit: R_X86_64_PC32 against symbol `Glen' defined in .bss section in /tmp/ccXV4NPs.o
main.c:(.text+0x153): relocation truncated to fit: R_X86_64_PC32 against symbol `Glen' defined in .bss section in /tmp/ccXV4NPs.o
/tmp/ccXV4NPs.o: in function `main':
main.c:(.text+0x225): relocation truncated to fit: R_X86_64_PC32 against symbol `Glen' defined in .bss section in /tmp/ccXV4NPs.o
main.c:(.text+0x241): relocation truncated to fit: R_X86_64_PC32 against symbol `Glen' defined in .bss section in /tmp/ccXV4NPs.o
collect2: error: ld returned 1 exit status
Language: C

#include<stdio.h>
#include<stdlib.h>
  
int insertionSort(int *A, int n, int g) {
  int i, j, k;
  int count = 0;
  
  for(i = g; i < n; i++) {
    v = A[i];
    j = i-g;
    while(j >= 0 && A[j] > k) {
      A[j+g] = A[j];
      j = j-g;
      count++;
    }
    A[j+g] = k;
  }
  return count;
}
  
int shellSort(int *A, int n, int m, int *G) {
  int i;
  int count = 0;
  
  for(i = 0; i < m; i++) {
    cnt += insertionSort(A, n, G[i]);
  }
  return count;
}
  
int main() {
  int n, m, i;
  int count = 0;
  int *A;
  int G[100], *L;
  
  scanf("%d", &n);
  A = malloc(n*sizeof(int));
  for(i = 0; i < n; i++) {
    scanf("%d", &A[i]);
  }
  
  G[0] = 1;
  for(i = 1; i < 100; i++) {
    G[i] = 3*G[i-1]+1;
  }
  
  m = 1;
  while(G[m] < n && m < 100) {
    m++;
  }
  
  L = malloc(m*sizeof(int));
  for(i = m; i >= 0; i--) {
    L[m-i] = G[i-1];
  }
  
  count = shellSort(A, n, m, L);
  
  printf("%d\n", m);
  for(i = 0; i < m; i++) {
    printf("%d", L[i]);
    if(i != m-1) {
      printf(" ");
    }
  }
  printf("\n");
  
  printf("%d\n", count);
  
  for(i = 0; i < n; i++) {
    printf("%d\n", A[i]);
  }
  
  return 0;
}

Compiler output:
main.c: In function 'insertionSort':
main.c:9:5: error: 'v' undeclared (first use in this function)
    9 |     v = A[i];
      |     ^
main.c:9:5: note: each undeclared identifier is reported only once for each function it appears in
main.c: In function 'shellSort':
main.c:26:5: error: 'cnt' undeclared (first use in this function); did you mean 'int'?
   26 |     cnt += insertionSort(A, n, G[i]);
      |     ^~~
      |     int
Language: C

#include<stdio.h>
#include<stdlib.h>
  
int insertionSort(int *A, int n, int g) {
  int i, j, k;
  int count = 0;
  
  for(i = g; i < n; i++) {
    k = A[i];
    j = i-g;
    while(j >= 0 && A[j] > k) {
      A[j+g] = A[j];
      j = j-g;
      count++;
    }
    A[j+g] = k;
  }
  return count;
}
  
int shellSort(int *A, int n, int m, int *G) {
  int i;
  int count = 0;
  
  for(i = 0; i < m; i++) {
    cnt += insertionSort(A, n, G[i]);
  }
  return count;
}
  
int main() {
  int n, m, i;
  int count = 0;
  int *A;
  int G[100], *L;
  
  scanf("%d", &n);
  A = malloc(n*sizeof(int));
  for(i = 0; i < n; i++) {
    scanf("%d", &A[i]);
  }
  
  G[0] = 1;
  for(i = 1; i < 100; i++) {
    G[i] = 3*G[i-1]+1;
  }
  
  m = 1;
  while(G[m] < n && m < 100) {
    m++;
  }
  
  L = malloc(m*sizeof(int));
  for(i = m; i >= 0; i--) {
    L[m-i] = G[i-1];
  }
  
  count = shellSort(A, n, m, L);
  
  printf("%d\n", m);
  for(i = 0; i < m; i++) {
    printf("%d", L[i]);
    if(i != m-1) {
      printf(" ");
    }
  }
  printf("\n");
  
  printf("%d\n", count);
  
  for(i = 0; i < n; i++) {
    printf("%d\n", A[i]);
  }
  
  return 0;
}

Compiler output:
main.c: In function 'shellSort':
main.c:26:5: error: 'cnt' undeclared (first use in this function); did you mean 'int'?
   26 |     cnt += insertionSort(A, n, G[i]);
      |     ^~~
      |     int
main.c:26:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdlib.h>
#include<stdio.h>
#include<string.h>
#include<math.h>

void insert_sort(int *A,int n,int g,int *count){
  int i=0,key=0,j=0;
  for(i=g;i<=n-1;i++){
    key=A[i];
    j=i-g;
    while(key < A[j] && j>=0){
      A[j+g]=A[j]; 
      j-=g;
      count[0]++;
    }
    A[j+g]=key;
  }
}



int main(){
  int i=0,n=0,*A,*count,*G,m=0;
  count=malloc(sizeof(int));
  G=malloc(21*sizeof(int));
  scanf("%d",&n);
  A=malloc(n*sizeof(int));
  while(pow(4,m)<=n){
    G[m]=pow(4,m);
    m+=1;
  if(3<=m) G[2]=13;
  for(i=0;i<n;i++) scanf("%d",&A[i]);
  for(i=m-1;i>=0;i--) insert_sort(A,n,G[i],count);
  printf("%d\n",m);
  for(i=m-1;i>0;i--) printf("%d ",G[i]);
  printf("1\n");
  printf("%d\n",count[0]);
  for(i=0;i<=n-1;i++) printf("%d\n",A[i]);
  free(A);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:41:1: error: expected declaration or statement at end of input
   41 | }
      | ^
Language: C

#include <stdio.h>
#include <stdlib.h>
  
int main(int argc, char *argv[])
{
  int n, i, j, k;
  int A[1000000];
  int count, m, G[12], v;
  
  scanf("%d", &n);
  
  for (i = 0; i < n; i++) scanf("%d", &A[i]);
  
  cnt = 0;
  m = 1;
  G[0] = 1;
  while (3 * G[m-1] + 1 < n) {
    G[m] = 3 * G[m-1] + 1;
    m++;
  }
  
  for (i = 0; i < m / 2; i++) {
    v = G[i];
    G[i] = G[m-1-i];
    G[m-1-i] = v;
  }
  
  printf("%d\n", m);
  for (i = 0; i < m; i++) {
    if (i != m - 1) printf("%d ", G[i]);
    else printf("%d\n", G[i]);
  }
  
  for (i = 0; i < m; i++) {
    for (j = G[i]; j < n; j++) {
      v = A[j];
      k = j - G[i];
      while (k >= 0 && A[k] > v) {
    A[k+G[i]] = A[k];
    k -= G[i];
    count++;
      }
      A[k+G[i]] = v;
    }
  }
  
  printf("%d\n", cnt);
  for (i = 0; i < n; i++) printf("%d\n", A[i]);
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:3: error: 'cnt' undeclared (first use in this function); did you mean 'int'?
   14 |   cnt = 0;
      |   ^~~
      |   int
main.c:14:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
#include <stdlib.h>
  
int main(int argc, char *argv[])
{
  int n, i, j, k;
  int A[1000000];
  int count, m, G[12], v;
  
  scanf("%d", &n);
  
  for (i = 0; i < n; i++) scanf("%d", &A[i]);
  
  count = 0;
  m = 1;
  G[0] = 1;
  while (3 * G[m-1] + 1 < n) {
    G[m] = 3 * G[m-1] + 1;
    m++;
  }
  
  for (i = 0; i < m / 2; i++) {
    v = G[i];
    G[i] = G[m-1-i];
    G[m-1-i] = v;
  }
  
  printf("%d\n", m);
  for (i = 0; i < m; i++) {
    if (i != m - 1) printf("%d ", G[i]);
    else printf("%d\n", G[i]);
  }
  
  for (i = 0; i < m; i++) {
    for (j = G[i]; j < n; j++) {
      v = A[j];
      k = j - G[i];
      while (k >= 0 && A[k] > v) {
    A[k+G[i]] = A[k];
    k -= G[i];
    count++;
      }
      A[k+G[i]] = v;
    }
  }
  
  printf("%d\n", cnt);
  for (i = 0; i < n; i++) printf("%d\n", A[i]);
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:47:18: error: 'cnt' undeclared (first use in this function); did you mean 'int'?
   47 |   printf("%d\n", cnt);
      |                  ^~~
      |                  int
main.c:47:18: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<vector>
using namespace std;

long long cnt;
int l;
int A[1000000];
int n;
vector<int> G;

void insertionSort(int A[], int n, int g) {
	for(int i = g; i < n; i++) {
		int v = A[i];
		int j = i - g;
		while(j >= 0 && A[j] > v) {
			A[j + g] = A[j];
			j -= g;
			cnt++;
		}
		A[j + g] = v;
	}
}

void shellSort(int A[], int n) {
	for(int h = 1; ; ) {
		if(h > n) break;
		G.push_back(h);
		h = 3*h + 1;
	}

	for(int i = G.size()-1; i >= 0; i--) {
		insertionSort(A, n, G[i]);
	}
}

int main() {
	cin >> n;
	for(int i = 0; i < n; i++) scanf("%d", %A[i]);
		cnt = 0;

	shellSort(A, n);

	cout << G.size() << endl;
	for(int i = G.size() - 1; i >= 0; i--) {
		printf("%d", G[i]);
		if(i) printf(" ");
	}
	printf("\n");
	printf("%d\n", cnt);
	for(int i = 0; i < n; i++) printf("%d\n", A[i]);

	return 0;
}

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<vector>
using namespace std;

long long cnt;
int l;
int A[1000000];
int n;
vector<int> G;

void insertionSort(int A[], int n, int g) {
	for(int i = g; i < n; i++) {
		int v = A[i];
		int j = i - g;
		while(j >= 0 && A[j] > v) {
			A[j + g] = A[j];
			j -= g;
			cnt++;
		}
		A[j + g] = v;
	}
}

void shellSort(int A[], int n) {
	for(int h = 1; ; ) {
		if(h > n) break;
		G.push_back(h);
		h = 3*h + 1;
	}

	for(int i = G.size()-1; i >= 0; i--) {
		insertionSort(A, n, G[i]);
	}
}

int main() {
	cin >> n;
	for(int i = 0; i < n; i++) scanf("%d", &A[i]);
		cnt = 0;

	shellSort(A, n);

	cout << G.size() << endl;
	for(int i = G.size() - 1; i >= 0; i--) {
		printf("%d", G[i]);
		if(i) printf(" ");
	}
	printf("\n");
	printf("%lld\n", cnt);
	for(int i = 0; i < n; i++) printf("%d\n", A[i]);

	return 0;
}

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include <iostream>


using namespace std;

void insertionsort(int array[], int n, int g){
    int i,j,v;
    for (i=g;i<n;i+=g){
        j=i-g;
        v=array[i];
        while(j>=0 and v<array[j]){
            array[j+g]=array[j];
            j-=g;
        }

        array[j+g]=v;

    }
}

void shellsort(int array[],int n){
    int m=1,i;
    int G[100],temp[100];temp[0]=1;
    for(i=1;i<100;i++){
        temp[i]=3*temp[i-1]+1;
        if(temp[i]>n) break;
        m=i+1;
    }
    for(i=0;i<m;i++)G[i]=temp[m-1-i];
    cout<<m<<endl;
    for (i=0;i<m;i++){
        cout << G[i] << ((i==m-1)?'\n':' ');
    }
    for (i=0;i<m;i++) insertionsort(array, n, G[i]);
}

int main()
{
    int n,i,k;
    cin >> n;
    int array[n];
    for (i=0;i<n;i++){
        cin>>array[i];
    }
    shellsort(array,n);

    for (k=0;k<n;k++){
        cout << array[k] << '\n';
    }

}


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 n;
    scanf("%d", &n);
    int A[n];
    int i;
    for(i=0;i<n;i++)
    	scanf("%d", A+i);
    printf("3\n");
    printf("13 4 1\n");
    shellSort(A, n);
    for(i=0;i<n;i++){
    	printf("%d\n", A[i]);
    }
}

int insertionSort(A, n, g){

	int i,j,count=0;

	for(i=g;i<n;i++){
		v = A[i];
		j = i - g;
		while(j>0&&A[j]>v){
			A[j+g] = A[j];
			j = j - g;
			count++;
		}
		A[j+g] = v;
	}

	return count;
}

void shellSort(A, n){

	int count = 0;
	m = 3;
	int G[m] = [13,4,1];

	int i;
	for(i=0;i<m;i++){
		count += insertionSort(A, n, G[i]);
	}
}


Compiler output:
main.c: In function 'main':
main.c:12:5: error: implicit declaration of function 'shellSort' [-Wimplicit-function-declaration]
   12 |     shellSort(A, n);
      |     ^~~~~~~~~
main.c: In function 'insertionSort':
main.c:18:5: error: type of 'A' defaults to 'int' [-Wimplicit-int]
   18 | int insertionSort(A, n, g){
      |     ^~~~~~~~~~~~~
main.c:18:5: error: type of 'n' defaults to 'int' [-Wimplicit-int]
main.c:18:5: error: type of 'g' defaults to 'int' [-Wimplicit-int]
main.c:23:17: error: 'v' undeclared (first use in this function)
   23 |                 v = A[i];
      |                 ^
main.c:23:17: note: each undeclared identifier is reported only once for each function it appears in
main.c:23:22: error: subscripted value is neither array nor pointer nor vector
   23 |                 v = A[i];
      |                      ^
main.c:25:29: error: subscripted value is neither array nor pointer nor vector
   25 |                 while(j>0&&A[j]>v){
      |                             ^
main.c:26:26: error: subscripted value is neither array nor pointer nor vector
   26 |                         A[j+g] = A[j];
      |                          ^
main.c:26:35: error: subscripted value is neither array nor pointer nor vector
   26 |                         A[j+g] = A[j];
      |                                   ^
main.c:30:18: error: subscripted value is neither array nor pointer nor vector
   30 |                 A[j+g] = v;
      |                  ^
main.c: At top level:
main.c:36:6: warning: conflicting types for 'shellSort'; have 'void()'
   36 | void shellSort(A, n){
      |      ^~~~~~~~~
main.c:12:5: note: previous implicit declaration of 'shellSort' with type 'void()'
   12 |     shellSort(A, n);
      |     ^~~~~~~~~
main.c: In function 'shellSort':
main.c:36:6: error: type of 'A' defaults to 'int' [-Wimplicit-int]
   36 | void shellSort(A, n){
      |      ^~~~~~~~~
main.c:36:6: error: type of 'n' defaults to 'int' [-Wimplicit-int]
main.c:39:9: error: 'm' undeclared (first use in this function)
   39 |         m = 3;
      |         ^
main.c:40:20: error: expected expression before '[' token
   40 |         int G[m] = [13,4,1];
      |                    ^
Language: C

include<stdio.h>
#define N 1000000
#define MAXM 100
#define SPAN 4
int insertionSort(int[],int,int);
void shellSort(int[],int);
void printArray(int[],int);
int main(void)
{
  int i,n;//counter
  int arr[N];//array
  scanf("%d",&n);
  for(i=0;i<n;i++) scanf("%d",&arr[i]);
  shellSort(arr,n);
  return 0;
}
int insertionSort(int A[],int n,int g)
{
  int i,j;//counter
  int v;
  int cnt=0;
  for(i=g;i<n;i++)
    {
      v=A[i];
      j=i-g;
      while(j>=0&&A[j]>v)
        {
          A[j+g]=A[j];
          j=j-g;
          cnt++;
        }
      A[j+g]=v;
    }
  return cnt;
}
void shellSort(int A[],int n)
{
  int i;//counter
  int pow4=1;
  int cnt=0;
  int m;
  int G[MAXM];
  for(m=1;;m++)
    {
      pow4*=SPAN;
      if(pow4>n) break;
    }
  for(i=0;i<m;i++)
    {
      pow4/=SPAN;
      G[i]=pow4;
    }
  for(i=0;i<m;i++) cnt+=insertionSort(A,n,G[i]);
  //output is from here
  printf("%d\n",m);
  printArray(G,m);
  printf("%d\n",cnt);
  for(i=0;i<n;i++) printf("%d\n",A[i]);
}
void printArray(int arr[],int n)
{
  int i;
  for(i=0;i<n;i++)
    {
      if(i>0) printf(" ");
      printf("%d",arr[i]);
    }
  printf("\n");
}


Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include<stdio.h>
      |        ^
main.c: In function 'main':
main.c:12:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   12 |   scanf("%d",&n);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | include<stdio.h>
main.c:12:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   12 |   scanf("%d",&n);
      |   ^~~~~
main.c:12:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c: In function 'shellSort':
main.c:55:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   55 |   printf("%d\n",m);
      |   ^~~~~~
main.c:55:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:55:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:55:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c: In function 'printArray':
main.c:65:15: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   65 |       if(i>0) printf(" ");
      |               ^~~~~~
main.c:65:15: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:66:7: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   66 |       printf("%d",arr[i]);
      |       ^~~~~~
main.c:66:7: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:68:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   68 |   printf("\n");
      |   ^~~~~~
main.c:68:3: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include <stdio.h>

int G[100];
int cnt=0,c=0;

void insertionSort(int A[],int n,int g){
  int v,i,j,c=0;
  for(i=g;i<n,i++){
    v=A[i];
    j=i-g;
    while(j>=0&&A[j]>v){
      A[j+g]=A[j];
      j=j-g;
      cnt++;
    }
    A[j+g]=v;
  }
}

shellSort(int A[],int n){
  int m,i;
  m=1;
  while(1){
    if(m>n)break;
    G[c]=m;
    m=m*3+1;
    c++;
  }
  for(i=0;i<c;i++){
    insertionSort(A,n,G[i]);
  }
}

int main(){
  int i,n,A[100],c=0;
  cnt=0;
  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d",&A[i]);
  }

  shellSort(A,n);

  printf("%d\n",c);
  for(i=0;i<c;i++){
    if(i>0)printf(" ");
    printf("%d",G[i]);
  }
  printf("\n");
  printf("%d\n",cnt);
  for(i=0;i<n;i++){
    printf("%d\n",A[i]);
  }
  return 0;
}



Compiler output:
main.c: In function 'insertionSort':
main.c:8:18: error: expected ';' before ')' token
    8 |   for(i=g;i<n,i++){
      |                  ^
      |                  ;
main.c: At top level:
main.c:20:1: error: return type defaults to 'int' [-Wimplicit-int]
   20 | shellSort(int A[],int n){
      | ^~~~~~~~~
Language: C

#include<stdio.h>
#include<stdlib.h>

int insertionSort(int *A,int n,int g){
  int v, i, j, cnt=0;
  for(i=g; i<=n-1; i++){
    v = A[i];
    j = i - g;
    while(j>=0 && A[j]>v){
      A[j+g] = A[j];
      j = j-g;
      cnt++;
    }
    A[j+g] = v;
  }
  return cnt;
}

int main(){

  int *A, N, i, *G, cnt, m, j;

  scanf("%d",&N);
  A = (int *)malloc(sizeof(int)*N);
  for(i=0; i<=N-1; i++){
    scanf("%d",&A[i]);
  }

  //shellSort(A, n)
  cnt = 0;
  m = N/2;
  if(m > 100) m = 100;
  else if(0 >= m) m = 1;
  G = (int *)malloc(sizeof(int)*m);
  j = m/2
  for(i=0; i<=m-1; i++){
    G[i] = j;
    j = j / 2;
  }

  for(i=0; i<=m-1; i++){
    cnt += insertionSort(A, N, G[i]);
  }

  printf("%d\n",m);
  printf("%d",G[0]);
  for(i=1; i<=m-1; i++){
  printf(" %d",G[i]);
  }
  printf("\n");
  printf("%d\n",cnt);
  for(i=0; i<=N-1; i++){
    printf("%d\n",A[i]);
  }

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:35:10: error: expected ';' before 'for'
   35 |   j = m/2
      |          ^
      |          ;
   36 |   for(i=0; i<=m-1; i++){
      |   ~~~
Language: C

#include<iostream>
#include<csdio>
#include<algorythm>
#include<cmath>
#include<vector>
using namespace std;

long long cnt;
int l;
int A[1000000];
int n;
vector<int> G;

void insertionSort(int A[],int n,int g){
    for(int i = g; i < n; i++){
        int v = A[i];
        int j = i - g;
        while(j>= 0 && A[j] > v){
            A[j+g] = A[j];
            j-=g;
            cnt++;
        }
        A[j+g] = v;
    }
}

void shellSort(int A[],int n){
    for(int h = 1; ;){
        if(h>n) break;
        G.push_back(h);
        h = 3*h+1;
    }
    
    for(int i = G.size()-1; i >= 0; i--){
        insertionSort(A,n,G[i]);
        
    }
}

int main(){
    cin >> n;
    for(int i = 0; i<n; i++) scanf("%d",&A[i]);
    cnt = 0;
    
    shellSort(A,n);
    
    cout << G.size() << endl;
    for(int i = G.size()-1;i>=0;i--){
        printf("%d",G[i]);
        if(i) printf(" ");
    }
    printf("\n");
    printf("%d\n",cnt);
    for(int i=0; i<n; i++) printf("%d\n",A[i]);
    return 0;
}


Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<bits/stdc++.h>

#define REP(i,s,n) for(int i=s;i<n;i++)
#define rep(i,n) REP(i,0,n)
#define MAX 1000010

using namespace std;

int n,A[MAX],cnt;

void insertionSort(int g){
  REP(i,g,n){
    int v = A[i];
    int j = i - g;
    while( j >= 0 && A[j] > v ){
      A[j+g] = A[j];
      j = j - g;
      cnt++;
    }
    A[j+g] = v;
  }
}

void shellSort(){
  cnt = 0;
  int m = rand() % min(n,100) + 1;
  int *G = new int[m];
  G[0] = 1;
  set<int> used;
  used.insert(1);
  REP(i,1,m){
    int v = rand() % n + 1;
    while( used.find(v) != used.end() ) v = rand() % ( n + 1 );
    used.insert(v);
    G[i] = v;
  }
  sort(G,G+m);
  for(int i=m-1;i>=0;i--)insertionSort(G[i]);
  cout << m << endl;
  for(int i=m-1;i>=0;i--){
    if( i != m-1 ) cout << ' '; 
    cout << G[i];
  } cout << endl;
  cout << cnt << endl;
  rep(i,n)cout << A[i] << endl;
  delete [] G; exit(0);
}

int main(){
  srand((unsigned int)time(NULL));
  cin >> n;
  rep(i,n)cin>>A[i];
  shellSort();
  return 0;
}

Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

insertionSort(A, n, g)
for i = g to n-1
 v = A[i]
 j = i - g
while j >= 0 && A[j] > v
 A[j+g] = A[j]
 j = j - g
cnt++
A[j+g] = v

shellSort(A, n)
 cnt = 0
 m = 1
G[] = {?, ?,..., ?}
for i = 0 to m-1
 insertionSort(A, n, G[i])

Compiler output:
main.c:1:1: error: return type defaults to 'int' [-Wimplicit-int]
    1 | insertionSort(A, n, g)
      | ^~~~~~~~~~~~~
main.c: In function 'insertionSort':
main.c:2:1: error: expected declaration specifiers before 'for'
    2 | for i = g to n-1
      | ^~~
main.c:15:1: error: expected declaration specifiers before 'for'
   15 | for i = 0 to m-1
      | ^~~
main.c:1:1: error: type of 'A' defaults to 'int' [-Wimplicit-int]
    1 | insertionSort(A, n, g)
      | ^~~~~~~~~~~~~
main.c:1:1: error: type of 'n' defaults to 'int' [-Wimplicit-int]
main.c:1:1: error: type of 'g' defaults to 'int' [-Wimplicit-int]
Language: C++

#include<iostream>
#include<vector>
using namespace std;
const static int N_MAX = 100;

int InsertionSort(int *A, int N, int g)
{
	int cnt = 0;

	int i,j,v;

	for ( i = g; i < N; ++i)
	{
		v = A[i];
		for (j = i - g; j > -1 && A[j] > v; j -= g) 
		{
			A[j + g] = A[j];
			++cnt;
		}

		A[j + g] = v;
	}

	return cnt;
}

void ShellSort(int *A, int N)
{
	int cnt = 0;
	vector<int> G;
	int g = 1;
	while (g < N)
	{
		G.push_back(g);
		g = 3 * g + 1;
	}
	int m = G.size();

	for (int i = m - 1; i >= 0; --i)
	{
		cnt += InsertionSort(A, N, G[i]);
	}

	printf("%d\n", m);
	for (int i = m-1; i > 0; --i)
	{
		printf("%d ",G[i]);
	}
	printf("%d\n", G[0]);
	printf("%d\n", cnt);
	for (int i = 0; i < N ; ++i)
	{
		printf("%d\n", A[i]);
	}

	return;
}

int main()
{
	int N;
	scanf_s("%d",&N);
	int A[N_MAX];
	for (int i = 0; i < N; ++i)
	{
		scanf_s("%d", A+i);
	}

	ShellSort(A, N);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:62:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   62 |         scanf_s("%d",&N);
      |         ^~~~~~~
      |         scanf
Language: C++

#include<cstdio>
#include<vector>
#include<iostream>
using namespace std;
const static int N_MAX = 100;

int InsertionSort(int *A, int N, int g)
{
	int cnt = 0;

	int i,j,v;

	for ( i = g; i < N; ++i)
	{
		v = A[i];
		for (j = i - g; j > -1 && A[j] > v; j -= g) 
		{
			A[j + g] = A[j];
			++cnt;
		}

		A[j + g] = v;
	}

	return cnt;
}

void ShellSort(int *A, int N)
{
	int cnt = 0;
	vector<int> G;
	int g = 1;
	while (g < N)
	{
		G.push_back(g);
		g = 3 * g + 1;
	}
	int m = G.size();

	for (int i = m - 1; i >= 0; --i)
	{
		cnt += InsertionSort(A, N, G[i]);
	}

	printf("%d\n", m);
	for (int i = m-1; i > 0; --i)
	{
		printf("%d ",G[i]);
	}
	printf("%d\n", G[0]);
	printf("%d\n", cnt);
	for (int i = 0; i < N ; ++i)
	{
		printf("%d\n", A[i]);
	}

	return;
}

int main()
{
	int N;
	scanf_s("%d",&N);
	int A[N_MAX];
	for (int i = 0; i < N; ++i)
	{
		scanf_s("%d", A+i);
	}

	ShellSort(A, N);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:63:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   63 |         scanf_s("%d",&N);
      |         ^~~~~~~
      |         scanf
Language: C++

#include<cstdio>
#include<vector>
#include<iostream>
using namespace std;
const static int N_MAX = 100;

int InsertionSort(int *A, int N, int g)
{
	int cnt = 0;

	int i,j,v;

	for ( i = g; i < N; ++i)
	{
		v = A[i];
		for (j = i - g; j > -1 && A[j] > v; j -= g) 
		{
			A[j + g] = A[j];
			++cnt;
		}

		A[j + g] = v;
	}

	return cnt;
}

void ShellSort(int *A, int N)
{
	int cnt = 0;
	vector<int> G;
	int g = 1;
	while (g < N)
	{
		G.push_back(g);
		g = 3 * g + 1;
	}
	int m = G.size();

	for (int i = m - 1; i >= 0; --i)
	{
		cnt += InsertionSort(A, N, G[i]);
	}

	printf("%d\n", m);
	for (int i = m-1; i > 0; --i)
	{
		printf("%d ",G[i]);
	}
	printf("%d\n", G[0]);
	printf("%d\n", cnt);
	for (int i = 0; i < N ; ++i)
	{
		printf("%d\n", A[i]);
	}

	return;
}

int main()
{
	int N;
	cin >> N;
	int A[N_MAX];
	for (int i = 0; i < N; ++i)
	{
		scanf_s("%d", A+i);
	}

	ShellSort(A, N);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:67:17: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   67 |                 scanf_s("%d", A+i);
      |                 ^~~~~~~
      |                 scanf
Language: C++

#include<bits/stdc++.h>
using namespace std;
int cnt  = 0;
shell(int A[],int n,int g){
	for(int  i= 0;i<n-1;i++){
		int v = i;
		while(v >=0 && A[v]>A[v+g] && v+g<n){
			int j = A[v];
			A[v] = A[v+g];
			A[v+g] = j;
			v--;
			cnt++;
		}

	}
}
int main(){
	int n,m = 0;
	cin>>n;
	int A[n];
	int g[13] = {1,4,13,40,121,364,1093,3280,9841,29524,88573,265720,797161};
	for(int  i = 12;i>=0;i--){
		if(n/g[i] >=1){
			m = i;
			break;

		}
		
	}
	for(int i = 0;i<n;i++){
		cin>>A[i];
	}
	
	for(int i = 0;i<=m;i++){
		shell(A,n,g[m-i]);
	}
	cout<<m+1<<endl;
	for(int i = m;i>0;i--){
		cout<<g[i]<<" ";
	}
	cout<<g[0]<<endl;

	cout<<cnt<<endl;
	for(int i = 0;i<n;i++){
		cout<<A[i]<<endl;
	}
	return 0;
}


Compiler output:
a.cc:4:1: error: ISO C++ forbids declaration of 'shell' with no type [-fpermissive]
    4 | shell(int A[],int n,int g){
      | ^~~~~
a.cc: In function 'int shell(int*, int, int)':
a.cc:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int cnt  = 0;
shell(int A[1000000],int n,int g){
	for(int  i= 0;i<n-1;i++){
		int v = i;
		while(v >=0 && A[v]>A[v+g] && v+g<n){
			int j = A[v];
			A[v] = A[v+g];
			A[v+g] = j;
			v--;
			cnt++;
		}

	}
}
int main(){
	int n,m = 0;
	cin>>n;
	int A[n];
	int g[13] = {1,4,13,40,121,364,1093,3280,9841,29524,88573,265720,797161};
	for(int  i = 12;i>=0;i--){
		if(n/g[i] >=1){
			m = i;
			break;

		}
		
	}
	for(int i = 0;i<n;i++){
		cin>>A[i];
	}
	
	for(int i = 0;i<=m;i++){
		shell(A,n,g[m-i]);
	}
	cout<<m+1<<endl;
	for(int i = m;i>0;i--){
		cout<<g[i]<<" ";
	}
	cout<<g[0]<<endl;

	cout<<cnt<<endl;
	for(int i = 0;i<n;i++){
		cout<<A[i]<<endl;
	}
	return 0;
}


Compiler output:
a.cc:4:1: error: ISO C++ forbids declaration of 'shell' with no type [-fpermissive]
    4 | shell(int A[1000000],int n,int g){
      | ^~~~~
a.cc: In function 'int shell(int*, int, int)':
a.cc:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int n, a[1100000], cnt, g[20];
int main() {
	cin >> n;
	for(int i = 0; i < n; i++) scanf("%d", &a[i]);
	g[0] = 1; cnt = 0;
	while(true) {
		g[cnt + 1] = g[cnt] * 3 + 1;
		if(g[++cnt] >= n) break;
	}
	int ret = 0;
	for(int i = cnt - 1; i >= 0; i--) {
		for(int j = g[i]; j < n; j++) {
			int v = a[j], w = j - g[i];
			while(w >= 0 && a[w] > v) {
				a[w + g[i]] = a[w];
				w -= g[i];
				ret++;
			}
			a[w + g[i]] = v;
		}
	}
	cout << cnt << endl;
	for(int i = c - 1; i >= 0; i--) printf(i ? "%d " : "%d\n", g[i]);
	cout << ret << endl;
	for(int i = 0; i < n; i++) printf("%d\n", a[i]);
	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:26:21: error: 'c' was not declared in this scope
   26 |         for(int i = c - 1; i >= 0; i--) printf(i ? "%d " : "%d\n", g[i]);
      |                     ^
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<vector>
using namespace std;

long long cnt;
int l; 
int A[1000000];
int n;
vector<int> G;

void insertionSort(int A[], int n, int g) {
    for ( int i = g; i < n; i++ ) {
        int v = A[i];
        int j = i - g;
        while( j >= 0 && A[j] > v ) {
            A[j + g] = A[j];
            j -= g;
            cnt++;
        }
        A[j + g] = v;
    }
}

void shellSort(int A[], int n) {
    // 生成数列G = {1, 4, 13, 40, 121, 364, 1093, ...}
    for ( int h = 1; ; ) {
        if ( h > n ) break;
        G.push_pack(h);
        h = 3*h + 1;
    }

    for ( int i = G.size()-1; i >= 0; i-- ) {  // 按逆序指定G[i] = g
        insertionSort(A, n, G[i]);
    }
}

int main() {
    cin >> n;
    // 使用更快的scanf函数进行输入
    for ( int i = 0; i < n; i++ ) scanf("%d", &A[i]);
    cnt = 0;
    
    shellSort(A, n);
    
    cout << G.size() << endl;
    for ( int i = G.size() - 1; i >= 0; i-- ) {
        printf("%d", G[i]);
        if ( i ) printf(" ");
    }
    printf("\n");
    printf("%d\n", cnt);
    for ( int i = 0; i < n; i++ ) printf("%d\n", A[i]);
    
    return 0;
}
    


Compiler output:
a.cc: In function 'void shellSort(int*, int)':
a.cc:31:11: error: 'class std::vector<int>' has no member named 'push_pack'; did you mean 'push_back'?
   31 |         G.push_pack(h);
      |           ^~~~~~~~~
      |           push_back
Language: C++

#include<stdio.h>
#include <sstream>
#include <iostream>
#include <cstdlib>
#include <string.h>
 
using namespace std;
 
#define BUF_SIZE 1024
 
int count = 0;

void insertionSort(int array[],int n,int g)
{
  int v,j;
  for(int i=g;i<n;i++){
    v=array[i];
    j=i-g;
    while(j>=0&&array[j].v){
      array[j+g]=array[j];
      j=j-g;
      count++;
    }
    array[j+g]=v;
  }
}


void shellSort(int array[],int n){
  int m=0;
  int s=1;
  while((n/s)>0){
    s*=2;
    m++;
  }
  int G[20];

  for(int k=0,t=1;k<m;k++){
    G[k]=n/t;
    t*-2;
  }
  for(int i=0;i<m;i++){
    insertionSort(array,n,G[i]);
  }
  printf("%d\n",m);
  for(int i=0;i<m;i++){
    if(i!=m-1){
      printf("%d ",G[i]);
    }else{
      printf("%d\n",G[i]);
    }
    
    }
    printf("%d\n",count);
    for(int i = 0; i < n; i++){
        printf("%d\n",array[i]);
    }
  }
}

int main(int argc,char* argv[]){
    char buf[BUF_SIZE];
    int n = atoi(fgets(buf,BUF_SIZE,stdin));
    int array[1000000];
 
    for(int i = 0; i < n; i++){
        cin >> array[i];
    }
 
    shellSort(array,n);
 
}


Compiler output:
a.cc: In function 'void insertionSort(int*, int, int)':
a.cc:19:26: error: request for member 'v' in '*(array + ((sizetype)(((long unsigned int)j) * 4)))', which is of non-class type 'int'
   19 |     while(j>=0&&array[j].v){
      |                          ^
a.cc: At global scope:
a.cc:59:1: error: expected declaration before '}' token
   59 | }
      | ^
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<vector>
using namespace std;

long long cnt;
int l;
int A[1000000];
int n;
vector<int>G;
//間隔Gを指定した挿入ソート
void insertSort(int A[], int n, int g) {
	for (int i = g;i < n;i++) {
		int v = A[i];
		int j = i - g;
		while (j >= 0 && A[j] > v) {
			A[j + g] = A[j];
			j -= g;
			cnt++;
		}
	}
	A[j + g] = v;
}

void ShellSort(int A[], int n) {
	//数列G={1,4,13,40,121,364,1093,...}を生成
	for (int h = 1; ;) {
		if (h > n)break;
		F.push_back(h);
		h = 3 * h + 1;
	}
	for (int i = G.size() - 1;i >= 0;i--) {//逆順にG[i]=gを指定
		insertSort(A, nG[i]);
	}
}

int main() {
	cin >> n;
	//より速い入力scanf関数を使用
	for (int i = 0;i < n;i++)scanf("%d", %A[i]);
	cnt = 0;

	ShellSort(A, n);

	cout << G.size() << endl;
	for (int i = G.size() - 1;i >= 0;i--) {
		printf("%d", G[i]);
		if (i)printf(" ");
	}
	printf("\n");
	printf("%d\n", cnt);
	for (int i = 0;i < n;i++)printf("%d\n", A[i]);

	return 0;
}


Compiler output:
a.cc: In function 'void insertSort(int*, int, int)':
a.cc:24:11: error: 'j' was not declared in this scope
   24 |         A[j + g] = v;
      |           ^
a.cc:24:20: error: 'v' was not declared in this scope
   24 |         A[j + g] = v;
      |                    ^
a.cc: In function 'void ShellSort(int*, int)':
a.cc:31:17: error: 'F' was not declared in this scope
   31 |                 F.push_back(h);
      |                 ^
a.cc:35:31: error: 'nG' was not declared in this scope; did you mean 'n'?
   35 |                 insertSort(A, nG[i]);
      |                               ^~
      |                               n
a.cc: In function 'int main()':
a.cc:42:46: error: expected primary-expression before '%' token
   42 |         for (int i = 0;i < n;i++)scanf("%d", %A[i]);
      |                                              ^
Language: C++

#include <iostream>
#include <iomanip>
#include <string>
#include <algorithm>

using namespace std;

// unsigned int e[101];
// unsigned int d[101];
char e[101][2];
char d[101][2];

unsigned int cnt = 0;

void insertsort(unsigned int *d, unsigned int n, unsigned int g)
{
	for (unsigned int i = g; i < n; ++i) {
		unsigned int v = d[i];
		int j = i - g;
		while (j >= 0 && d[j] > v) {
			d[j+g] = d[j];
			j -= g;
			++cnt;
		}
		d[j+g] = v;
	}
}

void shellsort(unsigned int* d, unsigned int n)
{
	unsigned int m[101];
	unsigned int j = 1;
	unsigned int i;
	for (i = 0; i < n; ++i) {
		m[i] = j;
		j = j * 3 + 1;
		if (j >= n)
			break;
	}
	unsigned int mmax = i + 1;
	cout << mmax << "\n";
	cnt = 0;
	for (int i = mmax - 1; i > 0; --i) {
		cout << m[i] << " ";
		insertsort(d, n, m[i]);
	}
	cout << "1\n";
	insertsort(d, n, m[0]);
}

int main()
{
	unsigned int n;
	vector<unsigned int> s;
	cin >> n;
	s.resize(n);
	for (unsigned int i = 0; i < n; ++i) {
		cin >> s[i];
	}

	shellsort(&(s[0]), n);
	cout << cnt << "\n";
	for (unsigned int i = 0; i < n - 1; ++i) {
		cout << s[i] << "\n";
	}
	cout << s[i] << endl;

	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:54:9: error: 'vector' was not declared in this scope
   54 |         vector<unsigned int> s;
      |         ^~~~~~
a.cc:5:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    4 | #include <algorithm>
  +++ |+#include <vector>
    5 | 
a.cc:54:16: error: expected primary-expression before 'unsigned'
   54 |         vector<unsigned int> s;
      |                ^~~~~~~~
a.cc:56:9: error: 's' was not declared in this scope
   56 |         s.resize(n);
      |         ^
a.cc:66:19: error: 'i' was not declared in this scope
   66 |         cout << s[i] << endl;
      |                   ^
Language: C++

#include <iostream>
#include <vector>

using namespace std;

// unsigned int e[101];
// unsigned int d[101];
char e[101][2];
char d[101][2];

unsigned int cnt = 0;

void insertsort(unsigned int *d, unsigned int n, unsigned int g)
{
	for (unsigned int i = g; i < n; ++i) {
		unsigned int v = d[i];
		int j = i - g;
		while (j >= 0 && d[j] > v) {
			d[j+g] = d[j];
			j -= g;
			++cnt;
		}
		d[j+g] = v;
	}
}

void shellsort(unsigned int* d, unsigned int n)
{
	unsigned int m[101];
	unsigned int j = 1;
	unsigned int i;
	for (i = 0; i < n; ++i) {
		m[i] = j;
		j = j * 3 + 1;
		if (j >= n)
			break;
	}
	unsigned int mmax = i + 1;
	cout << mmax << "\n";
	cnt = 0;
	for (int i = mmax - 1; i > 0; --i) {
		cout << m[i] << " ";
		insertsort(d, n, m[i]);
	}
	cout << "1\n";
	insertsort(d, n, m[0]);
}

int main()
{
	unsigned int n;
	vector<unsigned int> s;
	cin >> n;
	s.resize(n);
	for (unsigned int i = 0; i < n; ++i) {
		cin >> s[i];
	}

	shellsort(&(s[0]), n);
	cout << cnt << "\n";
	for (unsigned int i = 0; i < n - 1; ++i) {
		cout << s[i] << "\n";
	}
	cout << s[i] << endl;

	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:64:19: error: 'i' was not declared in this scope
   64 |         cout << s[i] << endl;
      |                   ^
Language: C++

#include<iostream>
#include<cmath>
using namespace std;
#include<vector>

#define ArrayNum 100

vector<int> g;

int insertionSort(int a[],int n,int g){
  int i,j,cnt=0,v;

  for(i=g;i<n;i++){
    v= a[i];
    j=i-g;
    while(j>=0 && a[j]>v){
      a[j+g]=a[j];
      j=j-g;
      cnt++;
    }
    a[j+g]=v;
  }
  return cnt;
}

void shellSort(int a[], int n){
  int i,cnt=0,m;
  
  for(int h=1;;){
    if(h>n)
      break;
  g.push_back(h);
  h=3*h+1;
  }
  m=g.size();
  for(i=m-1;i>=0;i--)
    cnt=cnt+insertionSort(a,n,g[i]);

  for(i=0;i<m-1;i++)
    cout << g[i] << " ";
  cout << c[m-1] << "\n";
  for(i=0;i<n;i++)
    cout << a[i] << "\n";
  cout << cnt << "\n";
}

int main(void){
  int i,n,a[ArrayNum];
  cin >> n;
  for(i=0;i<n;i++)
    cin >> a[i];
  shellSort(a,n);

}



Compiler output:
a.cc: In function 'void shellSort(int*, int)':
a.cc:41:11: error: 'c' was not declared in this scope
   41 |   cout << c[m-1] << "\n";
      |           ^
Language: C++

#include <iostream>
#include <vector>
using namespace std;
int m;
vector<int> G;
int insertionSort(int A[], int n, int g){
    int cnt = 0;
    for(int i=g; i<n; ++i){
        int v = A[i];
        int j = i - g;
        while(j>=0 && A[j]>v){
            A[j+g] = A[j];
            j -= g;
            cnt++;
        }
        A[j+g] = v;
    }
    return cnt;
}
int shellSort(int A[], int N){
    int cnt = 0;
    int x=3;
    int y=1;
    while(y < N){
        G.push_back(y);
        x *= 3;
        y = (x-1)/2;
    }
    reverse(G.begin(), G.end());
    m = G.size();
    for(int i=0; i<m; ++i){
        cnt += insertionSort(A, N, G[i]);
    }
    return cnt;
}
int main(){
    int N; cin >> N;
    int A[114514];
    for(int i=0; i<N; ++i) cin >> A[i];
    int res = shellSort(A, N);
    cout << m << endl;
    for(int i=0; i<m; ++i){
        if(i) cout << " ";
        cout << G[i];
        if(i == m-1) cout << endl;
    } 
    for(int i=0; i<N; ++i){
        cout << A[i] << endl;
    } 
    return 0;
}


Compiler output:
a.cc: In function 'int shellSort(int*, int)':
a.cc:29:5: error: 'reverse' was not declared in this scope
   29 |     reverse(G.begin(), G.end());
      |     ^~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;


long insertionSort(vector<long>& A, int n, int g)
{
    long cnt = 0;
    for(int i = g; i < n; i++){
	int v = A.at(i);
	int j = i - g;
	while(j >= 0 && A.at(j) > v){
	    A.at(j+g) = A.at(j);
	    j = j - g;
	    cnt++;
	}
	A.at(j+g) = v;
    }
    return cnt;
}

long shellSort(vector<long>& A, int n, int m, vector<int>& G)
{
    long cnt = 0;
    for(int i = 0; i < m; i++){
	cnt += insertionSort(A, n, G.at(i));
    }
    return cnt;
}

void print(int m, vector<int>& G){
    cout << m << endl;
    string sep = "";
    for(int g: G){
	cout << sep << g;
	sep = " ";
    }
    cout << endl;
}
    
int main()
{
    int N;
    cin >> N;
    vector<long> A(N);
    for(int i = 0; i < N; i++){
	cin >> A.at(i);
    }

    int upper = ceil(pow(N, 3.0/2.0));

    vector<int> G;
    int m = 1;
    G.push_back(1);
    for(;;){
	int v = 3 * m + 1;
	if(m+1 > 100) break;
	if(v > N) break;
	m++;
	G.push_back(v);
    }
    reverse(G.begin(), G.end());
    
    long cnt = 0;
    long = shellSort(A, N, m, G);

    print(m, G);
    
    cout << cnt << endl;

    for(int a: A){
	cout << a << endl;
    }

    
}



Compiler output:
a.cc: In function 'int main()':
a.cc:65:10: error: expected unqualified-id before '=' token
   65 |     long = shellSort(A, N, m, G);
      |          ^