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

#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
    int m,n,g=0,sum=0;
    char a[105][105];
    int b[27]={0};
    scanf("%d%d",&m,&n);
    for(int i=1;i<=m;i++)
    {
        getchar();
        for(int j=1;j<=n;j++)
        {
            scanf("%c",&a[i][j]);
            b[a[i][j]-'a']++;
        }
    }
    if(m==1&&n==1){printf("Yes\n");return 0;}
    if(m==1||n==1)
    {
        for(int i=0;i<=26;i++)
        {
            if(b[i]%2!=0){g++;}
        }
    if(m%2==1&&n%2==1) {if(g==1)printf("Yes\n");else printf("No\n");}
    else {if(g!=0)printf("No\n");else printf("Yes\n");}
    return 0;
    }
    for(int i=0;i<=26;i++)
    {
        if(b[i]%2!=0)g++;
        if(b[i]%4!=0)sum++;
    }
    if(m%2!=0&&n%2!=0){sum-=m+n-1;}
    else if(m%2!=0) sum-=n;
    else if(n%2!=0)sum-=m;
    if(g>0)
    {
        if(g!=1){printf("No\n")return 0;}
        if(m%2==0||n%2==0){printf("No\n");return 0;}
    }
    if(sum>0) printf("No\n");
    else printf("Yes\n");
}


Compiler output:
a.cc: In function 'int main()':
a.cc:40:32: error: expected ';' before 'return'
   40 |         if(g!=1){printf("No\n")return 0;}
      |                                ^~~~~~
      |                                ;
Language: C

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

int main(void){
	
	int h,w,i,j,check=0,arf[30],ct=0,k;
	char a[200][200];
	
	for(i=0;i<=30;i++){
		arf[i]=0;
	}

	scanf("%d %d",&h,&w);
	
	for(i=1;i<=h;i++){
		for(j=1;j<=w;j++){
			scanf("%s",a[i][j]);
			k=a[i][j]-96;
			arf[k]++;
		}
	}
	
	if((n*m)%2==0){
		for(i=1;i<=26;i++){
			if(arf[i]%2==1){
				break;
			}
		}
		check=1;
	}else{
		for(i=1;i<=26;i++){
			if(arf[i]%2==1){
				ct++;
			}
		}
		if(ct<=1){
			check=1;
		}
	}
	
	if(check==1){
		printf("Yes\n");
	}else{
		printf("No\n");
	}
	
	return 0;
}



Compiler output:
main.c: In function 'main':
main.c:23:13: error: 'n' undeclared (first use in this function)
   23 |         if((n*m)%2==0){
      |             ^
main.c:23:13: note: each undeclared identifier is reported only once for each function it appears in
main.c:23:15: error: 'm' undeclared (first use in this function)
   23 |         if((n*m)%2==0){
      |               ^
Language: C

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

int main(void){
	
	int h,w,i,j,check=0,arf[30],ct=0;
	char a[200][200];
	
	for(i=0;i<=30;i++){
		arf[i]=0;
	}

	scanf("%d %d",&h,&w);
	
	for(i=1;i<=h;i++){
		for(j=1;j<=w;j++){
			scanf("%s",a[i][j]);
			k=a[i][j]-96;
			arf[k]++;
		}
	}
	
	if((n*m)%2==0){
		for(i=1;i<=26;i++){
			if(arf[i]%2==1){
				break;
			}
		}
		check=1;
	}else{
		for(i=1;i<=26;i++){
			if(arf[i]%2==1){
				ct++;
			}
		}
		if(ct<=1){
			check=1;
		}
	}
	
	if(check==1){
		printf("Yes\n");
	}else{
		printf("No\n");
	}
	
	return 0;
}



Compiler output:
main.c: In function 'main':
main.c:18:25: error: 'k' undeclared (first use in this function)
   18 |                         k=a[i][j]-96;
      |                         ^
main.c:18:25: note: each undeclared identifier is reported only once for each function it appears in
main.c:23:13: error: 'n' undeclared (first use in this function)
   23 |         if((n*m)%2==0){
      |             ^
main.c:23:15: error: 'm' undeclared (first use in this function)
   23 |         if((n*m)%2==0){
      |               ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int H,W;
  cin>>H>>W;
  char a[10000];
  int num[26];
  for(int i=0;i<H*W;i++){
    cin>>a[i];
  }

if(H==1||W==1){
 for(int i=0;i<26;i++){
    for(int j=0;j<H*W;j++){
      if(a[j]=='a'+i){num[i]++;}
    }
  }
int coun;
 for(int i=0;i<26;i++){if(num[i]%2!=0)coun++;}
if(H%2!=0&&W%2!=0){
  if(coun==1||coun==0){cout<<"Yes"}
  else{cout<<"No";}
}
else{if(coun==0){cout<<"Yes"}else{cout<<"No";}}

return 0;
}

else{

  for(int i=0;i<26;i++){
    for(int j=0;j<H*W;j++){
      if(a[j]=='a'+i){num[i]++;}
    }
  }

  int yoyu=0;
  if(H%2==1)yoyu++;
  if(W%2==1)yoyu++;
  int i,k;
 for(int i=0;i<26;i++){
  if(num[i]%4!=0||num[i]==0){
   if(num[i]==0)k++;
    if(num[i]%2==0){yoyu--;}
  }
    else{cout<<"No";return 0;}
  
  }
 if(yoyu>=0){cout<<"Yes";}
 if(yoyu<0){cout<<"No";}
return 0;
}
    
} 
  

Compiler output:
a.cc: In function 'int main()':
a.cc:21:35: error: expected ';' before '}' token
   21 |   if(coun==1||coun==0){cout<<"Yes"}
      |                                   ^
      |                                   ;
a.cc:24:29: error: expected ';' before '}' token
   24 | else{if(coun==0){cout<<"Yes"}else{cout<<"No";}}
      |                             ^
      |                             ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
int n, m, i, j, a, b, c, cnt[50] = {0}, s;
int main()
{

    char ch;

    cin >> n >> m;

    for(i = 0; i < n; ++i)
    {
        for(j = 0; j < m; ++j)
        {
            cin >> ch;
            cnt[ch - 'a']++;
        }
    }
    a = (n % 2) * (m % 2);
    b = (n / 2) * (n % 2) + (m / 2) * (m % 2);
    c = (n / 2) * (m / 2);
    for(i = 0; i < 26; ++i)
    {
        if(c < cnt[i] / 4)
        {
            cnt[i] -= c * 4;
            c = 0;
        }
        else
        {
            c -= cnt[i] / 4;
            cnt[i] %= 4;
        }
    }
    for(i = 0; i < 26; ++i)
    {
        if(b < cnt[i] / 2)
        {
            cnt[i] -= b * 2;
            b = 0;
        }
        else
        {
            b -= cnt[i] / 2;
            cnt[i] %= 2;
        }
    }
    for(i = 0; i < 26; ++i)
    {
        if(cnt[i] > 0 && a == 0)
        {
            cout << "No";
            return;
        }
        if(cnt[i] == 1)
            a = 0;
    }
    if(a + b + c == 0 && s == 0)
        cout << "Yes";
    else
        cout << "No";

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:13: error: return-statement with no value, in function returning 'int' [-fpermissive]
   53 |             return;
      |             ^~~~~~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
using namespace std;

int main(){
    int h, w, kk = 0;
    vector<int> moji(26);
    cin >> h >> w;
    for(int i = 0;i<h;i++){
        string input;
        cin >> input;
        for(int j = 0;j<w;j++){
            moji[input[j] - 97]++;
        }
    }

    for(int i = 0;i<26;i++){
        if(maji[i] % 2 == 1)kk++;
    }
    if(kk > 1){
        cout << "No" << endl;
        return 0;
    }

    while(h != 0 || w != 0){
        sort(moji.begin(),moji.end(),greater<int>());
        if(h == 1 && w == 1){
            if(moji[0] == 1){
                cout << "Yes" << endl;
            }
            else cout << "No" << endl;
            return 0;
        }
        if(h > w) {
            int temp = h;
            h = w;
            w = temp;
        }
        if( 2 * h <= moji[0]){
            moji[0] -= 2 * h;
            w -= 2;
        }
        else {
            cout << "No" << endl;
            return 0;
        }
    }
    cout << "Yes" << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:12: error: 'maji' was not declared in this scope; did you mean 'moji'?
   21 |         if(maji[i] % 2 == 1)kk++;
      |            ^~~~
      |            moji
Language: C++

#include <iostream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <ctime>
#include <map>
#include <set>
#include <stack>
#include <sstream>
#include <vector>
#include <queue>
#include <conio.h>

#define f first
#define s second

#define ll long long

using namespace std;

ll pow_(ll a,ll b)
{
    if(b==0)
        return 1;
    if(b%2!=0)
        return a*pow_(a,b-1);
    ll x=pow_(a,b/2);
    return x*x;
}

int main()
{
    ios_base::sync_with_stdio(false);
    srand(time(NULL));
//    ifstream cin("input.txt");
//    ofstream cout("output.txt");
    int n,m;
    cin>>n>>m;
    vector<string> v(n);
    vector<int> let(30,0);
    for(int i=0;i<n;i++)
    {
        cin>>v[i];
        for(int j=0;j<m;j++)
        {
            let[v[i][j]-'a']++;
        }
    }
    if(n%2==0 && m%2==0)
    {
        for(int i=0;i<30;i++)
        {
            if(let[i]%4!=0)
            {
                cout<<"No";
                return 0;
            }
        }
        cout<<"Yes";
        return 0;
    }
    sort(let.begin(),let.end());
    if(m%2==0 || n%2==0)
    {
        int x=0;
        for(int i=29;i>=0;i--)
        {
            int fake=min(let[i]/4,(n/2)*(m/2)-x);
            x+=fake;
            let[i]-=fake*4;
            if(x>=(n/2)*(m/2))
            {
                break;
            }
        }
        if(x<(n/2)*(m/2))
        {
            cout<<"No";
            return 0;
        }
        sort(let.begin(),let.end());
        for(int i=29;i>=0;i--)
        {
            if(let[i]%2!=0)
            {
                cout<<"No";
                return 0;
            }
        }
        cout<<"Yes";
        return 0;
    }
    int x=0;
    for(int i=29;i>=0;i--)
    {
        int fake=min(let[i]/4,(n/2)*(m/2)-x);
        x+=fake;
        let[i]-=fake*4;
        if(x>=(n/2*m/2))
        {
            break;
        }
    }
    if(x<(n/2)*(m/2))
    {
        cout<<"No";
        return 0;
    }
    sort(let.begin(),let.end());
    bool t=false;
    for(int i=0;i<20;i++)
    {
        if(let[i]%2!=0 && t)
        {
            cout<<"No";
            return 0;
        }
        if(let[i]%2!=0 && !t)
            t=true;
    }
    cout<<"Yes";
    return 0;
}



Compiler output:
a.cc:13:10: fatal error: conio.h: No such file or directory
   13 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

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

int main(void) {
    int h,w;
    string s;
    int c[26];
    string alp = "abcdefghijklmnopqrstuvwxyz";
    cin >> h >> w;
    for (int i=0; i<26; i++){
        c[i] = 0;
    }
    for (int i=0; i<h; i++){
        cin >> s;
        for (int j=0; j<w; j++){
            c[alp.find(s[j])]++;
        }
    }
    int t = 0;
    int u = 0;
    int v = 0;
    int x = 0;
    if (h%2+w%2==0) {
        for (int i=0; i<26; i++){
            t += c[i]%4;
        }
        if (t > 0) {
            cout << "No";
        } else {
            cout << "Yes";
        }
    } else if (h%2==0 && w%2==1) {
        for (int i=0; i<26; i++){
            if (c[i]%4 != 0){
                t++;
                if (c[i]%2 == 0){
                    u++;
                }
            }
        }
        if (t==0) {
            cout << "Yes";
        } else {
            if (u==(h/2)){
                cout << "Yes";
            } else {
                cout << "No";
            }
        }
    } else if (h%2==1 && w%2==0) {
        for (int i=0; i<26; i++){
            if (c[i]%4 != 0){
                t++;
                if (c[i]%2 == 0){
                    u++;
                }
            }
        }
        if (t==0) {
            cout << "Yes";
        } else {
            if (u==(w/2)){
                cout << "Yes";
            } else {
                cout << "No";
            }
        }
    } else if (h%2+w%2==2) {
        for (int i=0; i<26; i++){
            if (c[i]%4 == 0){
                t++;
            } else if (c[i]%4 == 1){
                u++;
            } else if (c[i]%4 == 2){
                v++;
            } else if (c[i]%4 == 3){
                x++;
            }
        }
        if (t >= (h-1)*(w-1)/4 &&  && v+x == 1) {
            cout << "Yes";
        } else {
            cout << "No";
        }
    }
    cout << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:82:40: warning: pointer of type 'void *' used in arithmetic [-Wpointer-arith]
   82 |         if (t >= (h-1)*(w-1)/4 &&  && v+x == 1) {
      |                                    ~~~~^~
a.cc:82:43: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   82 |         if (t >= (h-1)*(w-1)/4 &&  && v+x == 1) {
      |                                    ~~~~~~~^~~~
a.cc:82:39: error: label 'v' used but not defined
   82 |         if (t >= (h-1)*(w-1)/4 &&  && v+x == 1) {
      |                                       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n,m,sum[30];
char ch[110];
int main()
{
	scanf("%d%d",&n,&m);
	if(n==1&&m==1){
		printf("Yes\n");
		return 0;
	}
	for(int i=1;i<=n;++i){
		scanf("%s",ch);
		for(int j=0;j<strlen(S);++j)sum[ch[j]-'a'+1]++;
	}
	if(n==1||m==1){
		int mark=0;
		for(int i=1;i<=26;++i)if(sum[i]&1)if(mark){
					printf("No\n");
					return 0;
				}else mark=1;
		printf("Yes\n");
		return 0;
	}else if(n%2==0&&m%2==0){
		for(int i=1;i<=26;++i)if(sum[i]&&sum[i]%4!=0){
				printf("No\n");
				return 0;
			}
		printf("Yes\n");
		return 0;
	}else if(n%2==0){
		int sum2=0;
		for(int i=1;i<=26;++i)if(sum[i]){
				if(sum[i]&1){
					printf("No\n");
					return 0;
				}
				if(sum[i]==2||sum[i]%4!=0){
					sum2++;
					if(sum2>(n/2)){
						printf("No\n");
						return 0;
					}
				}
			}
		printf("Yes\n");
		return 0;
	}else if(!m%2){
		int sum2=0;
		for(int i=1;i<=26;++i)if(sum[i]){
				if(sum[i]&1){
					printf("No\n");
					return 0;
				}
				if(sum[i]==2||sum[i]%4!=0){
					sum2++;
					if(sum2>(m/2)){
						printf("No\n");
						return 0;
					}
				}
			}
		printf("Yes\n");
		return 0;
	}else{
		int sum1=0,sum2=0;
		for(int i=1;i<=26;++i)if(sum[i]){
				if(sum[i]==1||sum[i]%4==1){
					sum1++;
					if(sum1>1){
						printf("No\n");
						return 0;
					}
				}
				if(sum[i]==2||sum[i]%4==2){
					sum2++;
					if(sum2>((m+n)/2-1)){
						printf("No\n");
						return 0;
					}
				}
			}
		if(!sum1){
			printf("No\n");
			return 0;
		}
		printf("Yes\n");
		return 0;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:38: error: 'S' was not declared in this scope
   14 |                 for(int j=0;j<strlen(S);++j)sum[ch[j]-'a'+1]++;
      |                                      ^
Language: C++

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <algorithm>

using namespace std;

int main(){
	int h,w;
	int n[26];
	for(int i=0;i<26;i++) n[i] = 0;
	scanf("%d %d",&h,&w);
	for(int i=0;i<h;i++){
		char s[101];
		scanf("%s",s);
		for(int j=0;j<strlen(s);j++) n[s[j]-'a']++;
	}

	for(int i=0;i<(w+1)/2;i++){
		for(int j=0;j<(h+1)/2;j++){
			int kosu = 4;
			if(i==w/2 && w%2==1) kosu /= 2;
			if(j==h/2 && h%2==1) kosu /= 2;
			bool found = false;
			for(int k=0;k<26&&(!found);k++){
				if(n[k]>=kosu){
					n[k] -= kosu;
					found = true;
				}
			}
			if(!found){
				printf("No\n");
				return 0;
			}
		}
	}

	printf("Yes\n");

	return 0;
}
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <algorithm>

using namespace std;

int main(){
	int h,w;
	int n[26];
	for(int i=0;i<26;i++) n[i] = 0;
	scanf("%d %d",&h,&w);
	for(int i=0;i<h;i++){
		char s[101];
		scanf("%s",s);
		for(int j=0;j<strlen(s);j++) n[s[j]-'a']++;
	}

	for(int i=0;i<(w+1)/2;i++){
		for(int j=0;j<(h+1)/2;j++){
			int kosu = 4;
			if(i==w/2 && w%2==1) kosu /= 2;
			if(j==h/2 && h%2==1) kosu /= 2;
			bool found = false;
			for(int k=0;k<26&&(!found);k++){
				if(n[k]>=kosu){
					n[k] -= kosu;
					found = true;
				}
			}
			if(!found){
				printf("No\n");
				return 0;
			}
		}
	}

	printf("Yes\n");

	return 0;
}


Compiler output:
a.cc:51:5: error: redefinition of 'int main()'
   51 | int main(){
      |     ^~~~
a.cc:9:5: note: 'int main()' previously defined here
    9 | int main(){
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

#define INF (1LL << 31 - 1)
#define MOD int(1e9+7)
#define repi(i,j,n) for(int i = (j); i < (n); ++i)
#define rep(i,n) repi(i,0,n)
#define fi first
#define se second

inline void init() {
    cin.tie(0);
    ios::sync_with_stdio(false);
}

int h, w;
string s[101];
map<char, int> mp;

int main() {
    init();

    cin >> h >> w;
    rep(i,h) cin >> s[i];

    rep(i,h) {
        rep(j,w) {
            mp[s[i][j]]++;
        }
    }

    int max_ = 0, odd = 0;

    for (char c = 'a'; c <= 'z'; ++c) {
        if (max_ < mp[c]) {
            max_ = mp[c];
        }
        if (mp[c] % 2 == 1) {
            odd++;
        }
    }

    if (h == 1 and w == 1) {
        cout << "Yes" << endl;
        return 0;
    }

    if (h % 2 == 1 and w % 2 == 1) {
        if (odd != 1) {
            cout << "No" << endl;
        }
        else {
            if (max_ >= 4 or (max_ >= 2 and (h == 1 or w == 1))) {
                cout << "Yes" << endl;
            }
            else {
                cout << "No" << endl;
            }
        }
    }
    else {
        if (odd > 0) {
            cout << "No" << endl;
        }
        else {
            if (max_ >= 4 or (max_ >= 2 and (h == 1 or w == 1)) {
                cout << "Yes" << endl;
            }
            else {
                cout << "No" << endl;
            }
        }
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:66:64: error: expected ')' before '{' token
   66 |             if (max_ >= 4 or (max_ >= 2 and (h == 1 or w == 1)) {
      |                ~                                               ^~
      |                                                                )
a.cc:72:9: error: expected primary-expression before '}' token
   72 |         }
      |         ^
Language: C++

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

int n,m,k,i,j,a[110],num1,num2,num3;
bool p;
char ch,;

int main()
{
    cin>>n>>m;
    for (i=0;i<n;i++)
    for (j=0;j<m;j++) {cin>>ch;a[ch-'a']++;}
    for (i=0;i<26;i++) 
    {
        if (a[i]>=4)
        {
          num1+=a[i]/4;
          a[i]=a[i]%4;
        }
        if (a[i]>=2)
        {
            num2+=a[i]/2;
            a[i]=a[i]%2;
        }
        if (a[i]==1)
            num3++;
    }
    if ((num3>1)||(num1<(n/2)*(m/2))||(num2+2*(num1-(n/2)*(m/2))<(
    (n*m-(n/2)*(m/2)*4)/2))) {cout<<"No";return 0;}
    cout<<"Yes";
    return 0;
}


Compiler output:
a.cc:11:9: error: expected unqualified-id before ';' token
   11 | char ch,;
      |         ^
Language: C++

#include <bits/stdc++.h>

#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define llong long long
#define pb(a) push_back(a)
#define INF 999999999

using namespace std;
typedef pair<int, int> P;
typedef pair<llong, llong> LP;
typedef pair<int, P> PP;
typedef pair<llong, LP> LPP;

int iy[]={0, 0, 1, -1};
int ix[]={1, -1, 0, 0};

int n, m, c[30], ans, fo, tw, b, foo;
int main(){
	cin >> n >> m;
	for(int i=0;i<n;i++){
		for(int j=0;j<m;j++){
			char ch;
			cin >> ch;
			c[ch-'a']++;
		}
	}
	for(int i=0;i<26;i++){
		if((c[i]+20)%2!=0){
			b++;
		}else if((c[i]+20)%4!=0){
			tw++;
			foo += c[i]/2
		}else{
			fo++;
		}
	}

	if((m+20)%2==0&&(n+20)%2==0){
		if(fo!=26) ans=1;	
	}else if((m+20)%2==0&&(n+20)%2!=0){
		if(b!=0) ans=1;
	}else if((m+20)%2!=0&&(n+20)%2==0){
		if(b!=0) ans=1;
	}else if((m+20)%2!=0&&(n+20)%2!=0){
		if(b!=1) ans=1;
		if(foo>(n-1+m-1)/2) ans=1;
	}


	if(ans==0){
		cout << "Yes" << endl;
	}else{
		cout << "No" << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:38: error: expected ';' before '}' token
   33 |                         foo += c[i]/2
      |                                      ^
      |                                      ;
   34 |                 }else{
      |                 ~
Language: C++

#include <bits/stdc++.h>
#define FOR(i, m, n) for(int i = m;i < n;i++)
#define FORR(i, m, n) for(int i = m;i >= n;i--)
#define SORT(v, n) sort(v, v+n);
#define SORTR(v,n) sort(v, v+n, greater<int>());
#define SORTPairSecond(v, n) sort(v, v+n, pairCompareSecond);
#define int long long    // %d=>%lld, 1<<n  => 1LL<<n
#define pb push_back

using namespace std;
typedef long long ll;

typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, pii> piii;
typedef pair<ll, pll> plll;
bool pairCompareSecond(const pii& firstEl, const pii& secondEl) {
    return firstEl.second > secondEl.second;
}

const ll MOD = 1000000007;
const int INF = 1000000007;
// const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;
// const ll LLINF = 1LL << 50;
const double PI = acos(-1);
const double EPS = 0.000000001;


const int MAX_h = 100;
const int MAX_w = 100;
int h, w;
char a[MAX_h][MAX_w];

int alpa[26];
int eN, oN, tN, fN, oI;

signed main(){
    ios::sync_with_stdio(0);

    cin >> h>>w;
    for(int i = 0;i < h;i++){
        for(int j = 0;j < w;j++){
            cin >> a[i];
            alpa[a[i]-'a']++;
        }
    }

    for(int i = 0;i < 26;i++){
        if(alpa[i]%2 != 0){
            oN++;
        }else{
            if(eN!=0){
                cout<< "No\n";
                return 0;
            }
            eN++;
            oI = i;
        }

        if(alpa[i]%4 == 0){
            fN++;
        }else if(alpa[i]%2 == 0){
            tN++;
        }
    }


    if(h%2   ==   0 && w%2 == 0){
        if(tN  == 0 &&oN == 0){
            cout<< "Yes\n";
            return 0;
        }
        cout<< "No\n";
        return 0;
    }else if(h%2 != 0 && w%2 == 0){
        if(oN!=0){
            cout<< "No\n";
            return 0;
        }
        if(tN>w/2){
            cout<< "No\n";
            return 0;
        }

        if((w/2-tN)%2 == 0){
            cout<< "Yes\n";
            return 0;
        }else{
            cout<< "No\n";
            return 0;
        }
    }else if(h%2 == 0 && w%2 != 0){
        if(oN!=0){
            cout<< "No\n";
            return 0;
        }
        if(tN>h/2){
            cout<< "No\n";
            return 0;
        }

        if((h/2-tN)%2 == 0){
            cout<< "Yes\n";
            return 0;
        }else{
            cout<< "No\n";
            return 0;
        }
    }else if(h%2 != 0 && w%2 != 0){
        if(oN!=1){
            cout<< "No\n";
            return 0;
        }
        alpa[oI]--;
        if(alpa[oI]%4 == 0){
            fN++;
        }else if(alpa[oI]%2 == 0){
            tN++;
        }

        if(tN>(w+h-2)/2){
            cout<< "No\n";
            return 0;
        }

        if(((w+h-2)/2-tN)%2 == 0){
            cout<< "Yes\n";
            return 0;
        }else{
            cout<< "No\n";
            return 0;
        }
    }


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:17: error: invalid types 'long long int [26][char*]' for array subscript
   45 |             alpa[a[i]-'a']++;
      |                 ^
Language: C++

#include <iostream>
#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
#include <queue>

using namespace std;

int main() {
	int h, w;
	cin >> h >> w;
	vector< vector <char> > cc(h, vector<char>(w));

	string abc = "abcdefghijklmnopqrstuvwxyz";

	vector<int> d(26, 0);


	for (int i = 0; i < h; i++) {
		for (int j = 0; j < w; j++) {
			cin >> cc[i][j];
			for (int k = 0; k < 26; k++) {
				if (cc[i][j] == abc[k]) {
					d[k]++;
				}
			}
		}
	}

	priority_queue<int> pq;
	for (int i = 0; i < k; i++) {
		if (d[k] != 0) {
			pq.push(d[k]);
		}
	}

	int hh = h / 2;
	int ww = w / 2;
	int p = hh * ww;
	int q = h * w - p * 4;
	int r = q % 2;
	int s = q / 2;

	bool pqr = true;

	while (!pq.empty()) {
		int aa = pq.top();
		pq.pop();
		if (p > 0) {
			if (aa >= 4) {
				aa -= 4;
				if (aa > 0) {
					pq.push(aa);
				}
			}
			else {
				pqr = false;
				break;
			}
			p--;
		}
		else if (s > 0) {
			if (aa >= 2) {
				aa -= 2;
				if (aa > 0) {
					pq.push(aa);
				}
			}
			else {
				pqr = false;
				break;
			}
			s--;
		}
		else if (r > 0) {
			if (aa >= 1) {
				aa--;
				if (aa > 0) {
					pq.push(aa);
				}
			}
			else {
				pqr = false;
				break;
			}
			r--;
		}
		else {
			break;
		}
	}

	if (pqr) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:29: error: 'k' was not declared in this scope
   32 |         for (int i = 0; i < k; i++) {
      |                             ^
Language: C++

#include<iostream>
#include<cstdio>
#include<string>
#include<algorithm>
#include<cstring>
#include<vector>
#include<cmath>
#include<queue>
#include<stack>
using namespace std;
#define INT(x) int x; scanf("%d",&x)
#define LL(x) ll x; scanf("%lld",&x)
#define INPUT(x) cin >> x
#define REP1(x,n) for(int x = 0; x < n; x++)
#define REP2(x,s,e) for(int x = s; x <= e; x++)
#define RREP1(x,n) for(int x = n-1; x >= 0; x--)
#define RREP2(x,s,e) for(int x = s; x >= e; x--)
#define BR printf("\n")
#define INF_INT 2147483647
#define INF_LL 9223372036854775807

typedef long long ll;

int table[26];

bool hanteiki(){
    int ki = -1;
    REP1(i, 26){
        if(table[i]%4 == 1){
            ki = i;
            break;
        }
    }
    if (ki = -1) return false;
    
    REP1(i, 26) {
        if(i == ki || table[i]%4 == 0){
            
        }else{
            return false
        }
    }
    return true;
}

bool hanteigu(){
    REP1(i, 26) {
        if(table[i]%4 == 0){
            
        }else{
            return false
        }
    }
    return true;
}

int main(){
    INT(H);INT(W);
    
    REP1(i, 26){
        table[i] = 0;
    }
    
    REP1(i, H){
        string s;
        cin >> s;
        REP1(j, W){
            table[s[j] - 'a']++;
        }
    }
    
    bool flag;
    
    if (H%2 && W%2) {
        flag = hanteiki();
    }else{
        flag = hanteigu();
    }
    
    if (flag) {
        cout << Yes << endl;
    }else{
        cout << No << endl;
    }
    
    return 0;
}

Compiler output:
a.cc: In function 'bool hanteiki()':
a.cc:40:25: error: expected ';' before '}' token
   40 |             return false
      |                         ^
      |                         ;
   41 |         }
      |         ~                
a.cc: In function 'bool hanteigu()':
a.cc:51:25: error: expected ';' before '}' token
   51 |             return false
      |                         ^
      |                         ;
   52 |         }
      |         ~                
a.cc: In function 'int main()':
a.cc:81:17: error: 'Yes' was not declared in this scope
   81 |         cout << Yes << endl;
      |                 ^~~
a.cc:83:17: error: 'No' was not declared in this scope
   83 |         cout << No << endl;
      |                 ^~
Language: C++

#include<bits/stdc++.h>
#define inf ((int)0x3f3f3f3f)
#define neinf ((int)0xc1c1c1c1)
#define llinf ((ll)0x3f3f3f3f3f3f3f3f)
#define nellinf ((ll)0xc1c1c1c1c1c1c1c1)
#define ull unsigned long long
#define uint usigned int
#define lson root<<1
#define rson root<<1|1
#define Mid int mid=(l+r)>>1;
#define FREI freopen("in.txt","r",stdin)
#define FREO freopen("out.txt","w",stdout)
#define Mem(a,b) memset(a,b,sizeof(a))
#define Memv(a,b) for(int i=0;i<=b;i++) a[i].clear()
#define ll long long
#define eps 1e-6
#define PB push_back
#define PI acos(-1)
#define lmove(n) (1<<(n))
#define FI first
#define SE second
#define Ceil(x,y) ((x+y-1)/(y))
using namespace std;
char st[200];
int a,b,all[30];
int main()
{
    scanf("%d%d",&a,&b);getchar();
    for (int i=1;i<=a;i++)
    {
        gets(st+1);
        //printf("%s\n",st+1);
        for (int j=1;j<=b;j++)
            all[st[j]-'a']++;
    }

    if (a>b) {int temp=b;b=a;a=temp;}
    int temp1=a/2,temp2=b/2;
    int temp=temp1*temp2;
    for (int i=0;i<='z'-'a';i++)
    {
        if (all[i]>=4 && temp>0)
            temp-=all[i]/4;
        all[i]%=4;
        while (temp<0) {all[i]+=4;temp++;}
    }

    int al=0;
    if ((temp1*2) !=a) al+=temp2;
    if ((temp2*2) !=b) al+=temp1;
    temp2=al;

    for (int i=0;i<='z'-'a';i++)
    {
        if (all[i]>=2 && temp2>0)
            temp2-=all[i]/2;
        all[i]%=2;
        while (temp2<0) {all[i]+=2;temp2++;}
    }

    if (temp2+temp==0) printf("Yes");else printf("No");
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   31 |         gets(st+1);
      |         ^~~~
      |         getw
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

int main(){
	LL h, w;
	cin >> h >> w;
	map<char, int> r;
	for(int i = 0; i < h; i++){
		string f;
		cin >> f;
		for(int j = 0; j < w; j++){
			r[f[j]]++;
		}
	}
	LL n4 = 0;
	LL n2 = 0;
	LL n1 = 0;
	LL ok = 1;
	LL a = h/2;
	LL b = w/2;
	LL a2 = h - 2*a;
	LL b2 = w - 2*b;
	n4 = a*b;
	n2 = a*b2+b*a2;
	for(int i = 0; i < n4; i++){
		int done = 0;
		for(char c = 'a'; c <= 'z'; c++){
			if(r[c] >= 4){
				r[c] -= 4;
				done = 1;
				break;
			}
		}
		if(!done){
			ok = 0;
			break;
		}
	}
	for(int i = 0; i < n2; i++){
		int done = 0;
		for(char c = 'a'; c <= 'z'; c++){
			if(r[c] >= 2){
				r[c] -= 2;
				done = 1;
				break;
			}
		}
		if(!done){
			ok = 0;
			break;
		}
	}
	if(!ok){
		cout << "No" << endl;
	} else {
		cout << "Yes" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:58:2: error: expected '}' at end of input
   58 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include <stdio.h>
char st[200];
int a,b,all[30];
int main()
{
    scanf("%d%d",&a,&b);getchar();
    for (int i=1;i<=a;i++)
    {
        gets(st+1);
        //printf("%s\n",st+1);
        for (int j=1;j<=b;j++)
            all[st[j]-'a']++;
    }

    if (a>b) {int temp=b;b=a;a=temp;}
    int temp1=a/2,temp2=b/2;
    int temp=temp1*temp2;
    for (int i=0;i<='z'-'a';i++)
    {
        if (all[i]>=4 && temp>0)
            temp-=all[i]/4;
        all[i]%=4;
        while (temp<0) {all[i]+=4;temp++;}
    }

    int al=0;
    if ((temp1*2) !=a) al+=temp2;
    if ((temp2*2) !=b) al+=temp1;
    temp2=al;

    for (int i=0;i<='z'-'a';i++)
    {
        if (all[i]>=2 && temp2>0)
            temp2-=all[i]/2;
        all[i]%=2;
        while (temp2<0) {all[i]+=2;temp2++;}
    }

    if (temp2+temp==0) printf("Yes");else printf("No");
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    9 |         gets(st+1);
      |         ^~~~
      |         getw
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
inline void readInt(int &x) {
	x=0;int f=1;char ch=getchar();
	while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
	while(isdigit(ch))x=x*10+ch-'0',ch=getchar();
	x*=f;
}
inline void readLong(ll &x) {
	x=0;int f=1;char ch=getchar();
	while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
	while(isdigit(ch))x=x*10+ch-'0',ch=getchar();
	x*=f;
}
/*================Header Template==============*/
int n,m,bok[26],cnt0,cnt1,cnt2,cnt3;
char s[105][105];
int main() {
	readInt(n);
	readInt(m);
	for(int i=1;i<=n;i++)
		scanf("%s",s[i]+1);
		memset(bok,0,sizeof bok);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			bok[s[i][j]-'a']++;
	for(int i=0;i<26;i++) {
		if(bok[i]%4==0)
			cnt0++;
		else if(bok[i]%4==1)
			cnt1++;
		else if(cok[i]%4==2)
			cnt2++;
		else
			cnt3++;
	}
	if(n%2==0&&m%2==0) {
		if(cnt1+cnt3>1)
			puts("No");
		else {
			puts("Yes");
		}
	}
	else if((n%2==0&&m%2==1)||(n%2==1&&m%2==0)) {
		if(cnt1+cnt3>0)
			puts("No");
		else
			puts("Yes");
	}
	else {
		if(cnt1+cnt2+cnt3>0)
			puts("No");
		else
			puts("Yes");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:25: error: 'cok' was not declared in this scope; did you mean 'cos'?
   33 |                 else if(cok[i]%4==2)
      |                         ^~~
      |                         cos
Language: C++

#include <bits/stdc++.h>
using namespace std;

int H;
int W;
char as[114][514];
map<char, int> cnt;
int permit;
bool special;

int main() {
  scanf("%d%d", &H, &W);
  for (int i=0; i<H; i++) {
    for (int j=0; j<W; j++) {
      scanf(" %c", &as[i][j]);
      cnt[as[i][j]]++;
    }
  }


  if (H%2 == 1) permit += W/2;
  if (W%2 == 1) permit += H/2;
  if (permit == H+W) {
    special = true;
  }

  if (H == 1 || W == 1) {
    for (auto itr : cnt) {
      if (itr.second%2 

  for (auto itr : cnt) {
    if (itr.second%2 == 1) {
      if (!special) {
        puts("No");
        return 0;
      }
      special = false;
      itr.second--;
    }
    
    if (itr.second%4 != 0) {
      assert(itr.second%2 == 0);
      if (permit <= 0) {
        puts("No");
        return 0;
      }
      permit--;
    }
  }
  puts("Yes");

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:23: error: expected ';' before 'for'
   29 |       if (itr.second%2
      |                       ^
      |                       ;
   30 | 
   31 |   for (auto itr : cnt) {
      |   ~~~                  
a.cc:50:14: error: expected ')' before ';' token
   50 |   puts("Yes");
      |              ^
      |              )
a.cc:29:10: note: to match this '('
   29 |       if (itr.second%2
      |          ^
a.cc:53:2: error: expected '}' at end of input
   53 | }
      |  ^
a.cc:27:25: note: to match this '{'
   27 |   if (H == 1 || W == 1) {
      |                         ^
a.cc:53:2: error: expected '}' at end of input
   53 | }
      |  ^
a.cc:11:12: note: to match this '{'
   11 | int main() {
      |            ^
Language: C++

#include <algorithm>
#include <cassert>
#include <cstring>
#include <iostream>

using namespace std;

#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define TRACE(x) cout << #x << " = " << x << endl
#define _ << " _ " <<

typedef long long llint;

char a[111];
bool bio[111][111];

int c;
int n, m;
  
void dfs(int x, int y) {
  if (bio[x][y]) return;
  bio[x][y] = true;
  c++;
  dfs(n-x-1, y);
  dfs(x, m-y-1);
}

int main(void) {
  vector<int> cnt(26, 0);
  scanf("%d %d", &n, &m);
  REP(i, n) {
    scanf("%s", a);
    REP(j, m) cnt[a[j]-'a']++;
  }

  vector<int> v;
  REP(i, n) REP(j, m)
    if (!bio[i][j]) {
      c = 0;
      dfs(i, j);
      v.push_back(c);
    }

  sort(v.begin(), v.end(), greater<int>());
  for (int x: v) {
    sort(cnt.begin(), cnt.end());
    if (cnt.back() < x) {
      puts("No");
      return 0;
    }
    cnt.back() -= x;
  }
  puts("Yes");
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:3: error: 'vector' was not declared in this scope
   30 |   vector<int> cnt(26, 0);
      |   ^~~~~~
a.cc:5:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    4 | #include <iostream>
  +++ |+#include <vector>
    5 | 
a.cc:30:10: error: expected primary-expression before 'int'
   30 |   vector<int> cnt(26, 0);
      |          ^~~
a.cc:34:15: error: 'cnt' was not declared in this scope; did you mean 'int'?
   34 |     REP(j, m) cnt[a[j]-'a']++;
      |               ^~~
      |               int
a.cc:37:10: error: expected primary-expression before 'int'
   37 |   vector<int> v;
      |          ^~~
a.cc:42:7: error: 'v' was not declared in this scope
   42 |       v.push_back(c);
      |       ^
a.cc:45:8: error: 'v' was not declared in this scope
   45 |   sort(v.begin(), v.end(), greater<int>());
      |        ^
a.cc:47:10: error: 'cnt' was not declared in this scope; did you mean 'int'?
   47 |     sort(cnt.begin(), cnt.end());
      |          ^~~
      |          int
Language: C

#include <stdio.h>
int main(void){
    int buri[26]={};
    int H,W;
    scanf("%d %d",&H,&W);
    for(int i=0;i<H*W;i++){char po;scanf(" %c",&po);buri[po-'a']++;}
    int futatu=0;
    int kisu=0;
    for(int i=0;i<26;i++){
        if(buri[i]%2==1){kisu++;buri[i]--;}
        if(buri[i]%4==2)futatu++;
    }
    if((H*W)%2==1){
        if(kisu==1&&futatu<=(H+W)/2-1)printf("Yes");
        else printf("No");
    }
    else if((H*W)%4==2){
        int po;
        if(H%2==0)po=H;
        else po=W;
        if(kisu==0&&futatu<=po/2)printf("Yes");
        else printf("No");
    }
    else{
        if(kisu==0&&futatu=0)printf("Yes");
        else printf("No");
    }
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:25:27: error: lvalue required as left operand of assignment
   25 |         if(kisu==0&&futatu=0)printf("Yes");
      |                           ^
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
#define N 1000
using namespace std;
char a[N][N];
int sum[26];
int n,m;
struct node{
	int x,y;
}d[4];
int main(){
	scanf("%d %d",&n,&m);
	for (int i=1;i<=n;i++)
		for (int j=1;j<=m;j++){
			char c;
			scanf(" %c",&c);
			sum[c-'a']++;
		}
	bool bz=1;
	for (int i=1;i<=(n+1)/2&&bz;i++)
		for (int j=1;j<=(m+1)/2&&bz;j++){
			int tot=1;
			d[0].x=i,d[0].y=j;
			if (n-i+1!=i)d[tot].x=n-i+1,d[tot].y=j,++tot;
			if (m-j+1!=j)d[tot].x=i,d[tot].y=m-j+1,++tot;
			if (n-i+1!=i&&m-j+1!=j)d[tot].x=n-i+1,d[tot].y=m-j+1,++tot;
			int x=-1;
			for (int k=0;k<26;k++)
				if (tot<=sum[k]&&(x<0||sum[x]>sum[k]))x=k;
			if (x==-1){
				bz=0;
				break;
			}
			sum[x]-=tot;
			for (int k=0;k<tot;k++)
				a[d[k].x][d[k].y]=x+'a';
		}
	if (!bz){
		printf("No");
	}else{
			printf("Yes");
		}
	}
	return 0;
}

Compiler output:
a.cc:45:9: error: expected unqualified-id before 'return'
   45 |         return 0;
      |         ^~~~~~
a.cc:46:1: error: expected declaration before '}' token
   46 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=0;i<=n;i++){
        for(int j=0;j<=m;j++){
            int ans=m*i+n*j-2*i*j;
            if(ans==k){
                cout<<"Yes"<<endl;
                return 0;
            }
        }
    }
    cout<<"No"<<endl;

    return 0;
}#include<bits/stdc++.h>
using namespace std;

int main(){
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=0;i<=n;i++){
        for(int j=0;j<=m;j++){
            int ans=m*i+n*j-2*i*j;
            if(ans==k){
                cout<<"Yes"<<endl;
                return 0;
            }
        }
    }
    cout<<"No"<<endl;

    return 0;
}

Compiler output:
a.cc:19:2: error: stray '#' in program
   19 | }#include<bits/stdc++.h>
      |  ^
a.cc:19:3: error: 'include' does not name a type
   19 | }#include<bits/stdc++.h>
      |   ^~~~~~~
a.cc:22:5: error: redefinition of 'int main()'
   22 | int main(){
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main(){
      |     ^~~~
Language: C

#include <stdio.h>
int main(void){
    int buri[26]={};
    int H,W;
    scanf("%d %d",&H,&W);
    for(int i=0;i<H*W;i++){char po;scanf(" %c",&po);buri[po-'a']++;}
    int futatu=0;
    int kisu=0;
    for(int i=0;i<26;i++){
        if(buri[i]%2==1){kisu++;buri[i]--;}
        if(buri[i]%4==2)futatu++;
    }
    if((H*W)%2==1){
        if(kisu==1&&futatu<=(H+W)/2-1)printf("Yes");
        else printf("No");
    }
    else if((H*W%4==2){
        int po;
        if(H%2==0)po=H;
        else po=W;
        if(kisu==0&&futatu<=po/2)printf("Yes");
        else printf("No");
    }
    else{
        if(kisu==0&&futatu=0)printf("Yes");
        else printf("No");
    }
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:17:23: error: expected ')' before '{' token
   17 |     else if((H*W%4==2){
      |            ~          ^
      |                       )
main.c:29:1: error: expected expression before '}' token
   29 | }
      | ^
Language: C++

#include <cstdio>
#include <algorithm>

using namespace std;

#define iter(i, n) for (int i = 1; i <= n; ++i)
#define iter0(i, n) for (int i = 0; i < n; ++i)

int n, m, K;
int main() {
	scanf("%d%d%d", &n, &m, &K); bool can = false;
	iter(i, n) scanf("%s", s[i] + 1);
	iter(i, n) iter(j, m) ++cnt[s[i][j] - 'a'];

	int c1 = 0, c2 = 0;
	iter0(c, 26) {
		if (cnt[c] % 2 == 1) ++c1;
		if (cnt[c] % 4 > 1) ++c2;
	}

	bool valid;
	if (n % 2 == 0 && m % 2 == 0) {
		valid = (c1 == 0 && c2 == 0);
	} else if (n % 2 == 1 && m % 2 == 1) {
		//2n+1 * 2m+1
		//n+m x 2

		valid = (c1 == 1 && c2 % 2 == (n/2 + m/2) % 2 && c2 <= (n/2 + m/2));
	} else {
		//2a+1 * 2b
		//b

		if (n % 2 == 1) swap(n, m);
		int b = n / 2;
		valid = (c1 == 0 && b % 2 == c1 % 2 && c1 <= b);
	}

	printf("%s\n", valid ? "Yes" : "No");

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:32: error: 's' was not declared in this scope
   12 |         iter(i, n) scanf("%s", s[i] + 1);
      |                                ^
a.cc:13:33: error: 'cnt' was not declared in this scope; did you mean 'int'?
   13 |         iter(i, n) iter(j, m) ++cnt[s[i][j] - 'a'];
      |                                 ^~~
      |                                 int
a.cc:13:37: error: 's' was not declared in this scope
   13 |         iter(i, n) iter(j, m) ++cnt[s[i][j] - 'a'];
      |                                     ^
a.cc:17:21: error: 'cnt' was not declared in this scope; did you mean 'int'?
   17 |                 if (cnt[c] % 2 == 1) ++c1;
      |                     ^~~
      |                     int
a.cc:18:21: error: 'cnt' was not declared in this scope; did you mean 'int'?
   18 |                 if (cnt[c] % 4 > 1) ++c2;
      |                     ^~~
      |                     int
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define rep(i,b) FOR(i,0,b)
#define INF mugen
#define dump(x) cerr<<#x<<"="<<x<<endl
#define all(a) (a).begin(),(a).end()
typedef vector<int> V;
typedef vector<V> VV;
typedef vector<VV> VVV;
template <class T> void chmin(T & a, T const & b) { if (b < a) a = b; }

using ll = long long;
const ll mod = LLONG_MAX;


string alpha="abcdefghijklmnopqrstuvwxyz";
int cnt[26];
int main(){
  int h,w;
  cin>>h>>w;
  rep(i,h)rep(j,w){
    cin>>a[j][i];

    rep(i,26){
      if(a[j][i]==alpha){
        cnt[i]++;
      }
    }
  }

  rep(i,26){
    if(cnt[i]%2!=0){
      cout<<"No"<<endl;
      return 0;
    }
  }
  cout<<"Yes"<<endl;



}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:10: error: 'a' was not declared in this scope
   23 |     cin>>a[j][i];
      |          ^
Language: C++

解けた気がしたけど間違ってた

Compiler output:
a.cc:1:1: error: '\U000089e3\U00003051\U0000305f\U00006c17\U0000304c\U00003057\U0000305f\U00003051\U00003069\U00009593\U00009055\U00003063\U00003066\U0000305f' does not name a type
    1 | 解けた気がしたけど間違ってた
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <stdio.h>  
#include <algorithm>  
#include <assert.h>
#include <bitset>
#include <cmath>  
#include <complex>  
#include <deque>  
#include <functional>  
#include <iostream>  
#include <limits.h>  
#include <map>  
#include <math.h>  
#include <queue>  
#include <set>  
#include <stdlib.h>  
#include <string.h>  
#include <string>  
#include <time.h>  
#include <unordered_map>  
#include <unordered_set>  
#include <vector>  
#include <chrono>
#include <random>
#include <time.h>
#define ll long long
#define rep2(i,a,b) for(ll i=a;i<=b;++i)
#define rep(i,n) for(ll i=0;i<n;i++)
#define rep3(i,a,b) for(ll i=a;i>=b;i--)
#define REP(e,v) for(auto e:v)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define tii tuple<int,int,int>
#define pq priority_queue<int>
#define pqg priority_queue<int,vector<int>,greater<int>>
#define pb push_back
#define edge(v,a,b) v[a].pb(b);v[b].pb(a);
#define MAX_V 400010
#define vec vector<int>
#define vecll vector<ll>
#define vecpii vector<pii>
#define endl "\n"
#define ALL(c) (c).begin(),(c).end()
using namespace std;
int in() {int x;scanf("%d",&x);return x;}
ll lin() {ll x;scanf("%lld",&x);return x;}

#define INF 1e9+7
#define LLINF 1e18+7
ll MOD=998244353;
#define N 400


main(){
    int h,w,d;
    h=in(),w=in(),d=in();
    if(d%2==0){
        rep(i,h){
            rep(j,w){
                if((i+j)%2))cout<<'R';
                else cout<<'B';
            }
            cout<<endl;
        }
    }
    else{
        d=(d+1)/2;
        int mp[600][600];
        rep(i,h){
            rep(j,w){
                if((i/d)%2){
                    if((j/d)%2) cout<<'R';
                    else cout<<'B';
                }
                else{
                    if((j/d)%2)cout<<'G';
                    else cout<<'Y';
                }
            }
            cout<<endl;
        }
    }
}

Compiler output:
a.cc:53:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   53 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:59:28: error: expected primary-expression before ')' token
   59 |                 if((i+j)%2))cout<<'R';
      |                            ^
Language: C++

#include <bits/stdc++.h>
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstdlib>
#include <string>
#include <vector>

using namespace std;

string let = "RYGB";

int main() {
  int h, w, d;
  cin >> h >> w >> d;
  for (int i = 0; i < h; i++) {
    for (int j = 0; j < w; j++) {
      int x = (i + j) % (2 * d) / d;
      int y = (i - j) % (2 * d) + (2 * d)) % (2 * d) / d;
      putchar(let[2 * x + y]);
      cout << x << " " << y <<"\n";
    }
    putchar('\n');
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:42: error: expected ',' or ';' before ')' token
   19 |       int y = (i - j) % (2 * d) + (2 * d)) % (2 * d) / d;
      |                                          ^
Language: C++


#include<b#include<bits/stdc++.h>
using namespace std;
char c[2][2]={'R','Y','G','B'};
char ma[1001][1001];
int d,f=0;

void dfs(int x,int y,int cn1,int cn2){
  //cout<<x<<" "<<y<<endl;
  cn1%=2;
  cn2%=2;
  if(x<0||y<0||x>=1000||y>=1000)return;
  if(ma[x][y]!='#')return;
    
  for(int i=-d/2;i<=d/2;i++)
    for(int j=-d/2;j<=d/2;j++){
      if(x+i<0||y+j<0||x+i>=1000||y+j>=1000)continue;
      if(abs(i)+abs(j)>d/2)continue;
      ma[x+i][y+j]=c[cn1][cn2];
    }

  dfs(x+d/2,y+d/2+1+f,cn1,cn2+1);
  dfs(x-d/2,y-d/2-1-f,cn1,cn2+1);
  dfs(x-d/2-1,y+d/2+f,cn1+1,cn2);
  dfs(x+d/2+1,y-d/2-f,cn1+1,cn2);
    
}

int main(){
  int h,w;
  cin>>h>>w>>d;
  if(d==1){
    char g[4]={'R','Y','G','B'};
    for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
	cout<<g[(j+i)%4];
      }
      cout<<endl;
    }
  }else if(d==2){
     char g[4]={'R','Y','G','B'};
    for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
	cout<<g[(j+(i/2)*2)%4];
      }
      cout<<endl;
    }
    
  }else{
    if(d%2==0)d--,f=1;
    for(int i=0;i<1000;i++)
      for(int j=0;j<1000;j++)
	ma[i][j]='#';
    dfs(0,0,0,0);
    for(int i=d/2+1;i<h+d/2+1;i++){
      for(int j=d/2+1;j<w+d/2+1;j++){
	if(ma[i][j]=='#')cout<<ma[i][j-1];
	else cout<<ma[i][j];
      }
      cout<<endl;
    }
  }
  return 0;
}
its/stdc++.h>
using namespace std;
char c[2][2]={'R','Y','G','B'};
char ma[1001][1001];
int d,f=0;

void dfs(int x,int y,int cn1,int cn2){
  //cout<<x<<" "<<y<<endl;
  cn1%=2;
  cn2%=2;
  if(x<0||y<0||x>=1000||y>=1000)return;
  if(ma[x][y]!='#')return;
    
  for(int i=-d/2;i<=d/2;i++)
    for(int j=-d/2;j<=d/2;j++){
      if(x+i<0||y+j<0||x+i>=1000||y+j>=1000)continue;
      if(abs(i)+abs(j)>d/2)continue;
      ma[x+i][y+j]=c[cn1][cn2];
    }

  dfs(x+d/2,y+d/2+1+f,cn1,cn2+1);
  dfs(x-d/2,y-d/2-1-f,cn1,cn2+1);
  dfs(x-d/2-1,y+d/2+f,cn1+1,cn2);
  dfs(x+d/2+1,y-d/2-f,cn1+1,cn2);
    
}

int main(){
  int h,w;
  cin>>h>>w>>d;
  if(d==1){
    char g[4]={'R','Y','G','B'};
    for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
	cout<<g[(j+i)%4];
      }
      cout<<endl;
    }
  }else if(d==2){
     char g[4]={'R','Y','G','B'};
    for(int i=0;i<h;i++){
      for(int j=0;j<w;j++){
	cout<<g[(j+(i/2)*2)%4];
      }
      cout<<endl;
    }
    
  }else{
    if(d%2==0)d--,f=1;
    for(int i=0;i<1000;i++)
      for(int j=0;j<1000;j++)
	ma[i][j]='#';
    dfs(0,0,0,0);
    for(int i=d/2+1;i<h+d/2+1;i++){
      for(int j=d/2+1;j<w+d/2+1;j++){
	if(ma[i][j]=='#')cout<<ma[i][j-1];
	else cout<<ma[i][j];
      }
      cout<<endl;
    }
  }
  return 0;
}


Compiler output:
a.cc:2:9: fatal error: b#include<bits/stdc++.h: No such file or directory
    2 | #include<b#include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.