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

#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define fore(i,a) for(auto &i:a)

int H, W;
string A[101];

string solve() {
    map<char, int> cnt;
    rep(y, 0, H) rep(x, 0, W) cnt[A[y][x]]++;

    if (H % 2 == 0 && W % 2 == 0) {
        fore(p, cnt) if (p.second % 4) return NO;
        return YES;
    }

    if (H % 2 && W % 2) {
        map<int, int> c;
        fore(p, cnt) c[p.second % 4]++;
        if (c[3]) return NO;
        if (c[1] != 1) return NO;
        if (c[2] > (H - 1) / 2 + (W - 1) / 2) return NO;
        return YES;
    }

    if (W % 2) swap(H, W);

    map<int, int> c;
    fore(p, cnt) c[p.second % 4]++;
    if (c[1] || c[3]) return NO;
    if (c[2] > W / 2) return NO;
    return YES;
}

int main() {
    cin >> H >> W;
    rep(y, 0, H) cin >> A[y];
    cout << solve() << endl;
}

Compiler output:
a.cc:6:1: error: 'string' does not name a type; did you mean 'stdin'?
    6 | string A[101];
      | ^~~~~~
      | stdin
a.cc:8:1: error: 'string' does not name a type; did you mean 'stdin'?
    8 | string solve() {
      | ^~~~~~
      | stdin
a.cc: In function 'int main()':
a.cc:36:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
   36 |     cin >> H >> W;
      |     ^~~
      |     std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:37:25: error: 'A' was not declared in this scope
   37 |     rep(y, 0, H) cin >> A[y];
      |                         ^
a.cc:38:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   38 |     cout << solve() << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:38:13: error: 'solve' was not declared in this scope
   38 |     cout << solve() << endl;
      |             ^~~~~
a.cc:38:24: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   38 |     cout << solve() << endl;
      |                        ^~~~
      |                        std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/sdtdc++.h>

using namespace std;
#define rep(i, n) for (int i = 0; i < n; i++)
vector<int> a(26, 0);

int a4, a2;
int h, w;

void init()
{
  int h, w;
  cin >> h >> w;
  rep(i, h) rep(j, w) {
    char c;
    cin >> c;
    c -= 'a';
    a[c]++;
    if (a[c] == 4) {
      a4++;
      a2--;
      a[c] = 0;
    } else if (a[c] == 2) {
      a2++;
    }
  }
}

int t2, t4;

bool ch()
{
  if (t4 > a4) return false;
  a4 -= t4;
  a2 += a4 * 2;
  if (t2 > a2) return false;
  return true;
}
int main()
{
  if (h % 2) {
    if (w % 2) {
      t2 = (w / 2) + (h / 2);
    } else {
      t2 = w / 2;
    }
  } else {
    if (w % 2) {
      t2 = h / 2;
    } else {
      t2 = 0;
    }
  }
  t4 = (w / 2) * (h / 2);
  if (ch()) cout << "Yes" << endl;
  else cout << "No" << endl;
}

Compiler output:
a.cc:1:10: fatal error: bits/sdtdc++.h: No such file or directory
    1 | #include <bits/sdtdc++.h>
      |          ^~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int h,w;cin>>h>>w;
  string a[h];
  for(int i=0;i<w;i++)cin>>a[i];
  vector<int> cnt(26);
  for(int i=0;i<26;i++) cnt[i]=0;
  for(int i=0;i<h;i++){
    for(int j=0;j<w;j++){
      int x=a[i][j]-'a';
      cnt[i]++;
    }
  }
  sort(cnt.begin(),cnt.end());
  if(h%2==1&&w%2==1){
    for(int i=0;i<(h-1)/2;i++){
      for(int j=0;j<26;j++){
        if(cnt[j]>=2){
          cnt[j]-=2;
          sort(cnt.begin(),cnt.end());
          break;
        }
        if(cnt[25]<2){
          cout<<"No"<<endl;
          return 0;
        }
      }
      for(int j=0;j<(w-1)/2;j++){
        if(cnt[25]>=4){
          cnt[25]-=4;
          sort(cnt.begin(),cnt.end());
        }
        else{
          cout<<"No"<<endl;
          return 0;
        }
      }
    }
    int on=0;
    for(int i=0;i<26;i++){
      if(cnt[i]%2==1) on++;
    }
    if(on==1){
      cout<<"Yes"<<endl;
      return 0; 
    }
    else{
      cout<<"No"<<endl;
      return 0; 
    }
  }
  
      
          

Compiler output:
a.cc: In function 'int main()':
a.cc:52:4: error: expected '}' at end of input
   52 |   }
      |    ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

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

int main(void){
        int h, w, lim, cnt = 0;
        char c[101][101];
        map<pair<ll,char>,ll> tate;
        map<pair<ll,char>,ll> yoko;
        map<char,ll> mp;
        
        cin >> h >> w;
        for(int i = 0; i < h; i++){
                for(int j = 0; j < w; j++){
                        cin >> c[i][j];
                }
        }
        
        for(int i = 0; i < h; i++){
                for(int j = 0; j < w; j++){
                        mp[c[i][j]]++;
                }
        }
        for(int i = 0; i < h; i++){
                for(int j = 0; j < w; j++){
                        if(mp[c[i][j]] % 2 == 1)cnt++;
                        mp[c[i][j]] = 0;
                }
        }
        if(cnt == 1)cout << "Yes\n";]
        else cout << "No\n";
        return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:37: error: expected primary-expression before ']' token
   31 |         if(cnt == 1)cout << "Yes\n";]
      |                                     ^
Language: C++

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

#define rep(i, N) for(int (i) = 0; (i) < (N); (i) ++)
typedef long long ll;

using namespace std;
typedef pair<int, int> pii;

int main(){
    int H, W;
    cin >> H >> W;
    vector<int> cnts(26);

    rep(i, H){
        rep(j, W){
            char c;
            cin >> c;
            cnts[c - 'a'] ++;
        }
    }

    vector<int> modF(4);
    rep(i, cnts.size()){
        int index = cnts[i] % 4;
        modF[index] ++;
    }

    if(H % 2 == 0 && W % 2 == 0){
        if(modF[1] + modF[2] + modF[3] == 0){
            cout << "Yes" << endl;
        }else{
            cout << "No" << endl;
        }
        return 0;
    }

    if(H % 2 == 1 && W % 2 == 1){
        if(modF[1] + modF[3] == 1 && codeF[2] + codeF[3] <= H / 2 + W / 2){
            cout << "Yes" << endl;
        }else{
            cout << "No" << endl;
        }
        return 0;
    }

    if(W % 2 == 1){
        swap(H, W);
    }

    if(modF[0]){
        if(modF[1] + modF[3] == 0 && modF[2] <= W / 2){
            cout << "Yes" << endl;
        }else{
            cout << "No" << endl;
        }
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:46:38: error: 'codeF' was not declared in this scope
   46 |         if(modF[1] + modF[3] == 1 && codeF[2] + codeF[3] <= H / 2 + W / 2){
      |                                      ^~~~~
Language: C++

#include <iostream>
#include <string>

using namespace std;
string s[1000]
int main(){
	int h,w,i,j,a[30];
	cin >> h >> w;
	for(i=0;i<h;i++){
		cin >>s[i];
	}
	for(i=0;i<h;i++){
		for(j=0;j<w;j++){
			a[s[i][j]-'a']++;
		}
	}
	int c = 0, d = 0;
	for(i=0;i<26;i++){
		if(a[i]%2){
			c++;
			a[i]--;
		}
		if(a[i]%4==2){
			d++;
		}
	}
	
	if(c!=h*w%2 || d > h%2*(w/2)+w%2*(h/2) || (h%2*(w/2)+w%2*(h/2)-d)%2==1){
		cout  << "NO" << endl;
	}
	cout << "YES" << endl;
}

Compiler output:
a.cc:6:1: error: expected initializer before 'int'
    6 | int main(){
      | ^~~
Language: C++

#include <iostream>
using namespace std;

int H,W;
int C[26] = {0};
char c;

bool evens(){
	for(int i=0;i<=25;i++){
		if(C[i]%2!=0) return false;
	}
	return true;
}

bool evens_odd(){
	int count = 0;
	for(int i=0;i<=25;i++){
		if(C[i]%2!=0) count++;
	}
	if(count==1) return true;
	else false;
}

bool fours(){
	for(int i=0;i<=25;i++){
		if(C[i]%4!=0) return false;
	}
	return true;
}

bool odd_odd1(){
	int count = 0;
	for(int i=0;i<=25;i++){
		while(C[i]>0 && C[i]%4!=0){
			if(count==(H/2)*(W/2)) break;
			count++;
			C[i] -= 4;
		}
	}
	if(count <(H/2)*(W/2)) return false;
	else return evens_odd();
}


bool even_odd(){
	int count = 0;
	for(int i=0;i<=25;i++){
		while(C[i]>0 && C[i]%4!=0){
			if(count==(H/2)*(W/2)) break;
			count++;
			C[i] -= 4;
		}
	}
	if(count < (H/2)*(W/2)) return false;
	else return evens();
}

int main(){
	cin >> H >> W;
	for(int i=0;i<H;i++){
		for(int j=0;j<W;j++){
			cin >> c;
			C[c-'a']++;
		}
	}
	if(H==1 && W==1) cout << "Yes" << endl;
	else if((H==1 && W%2==0) || (W==1 && H%2==0)){
		if(evens()) cout << "Yes" << endl;
		else cout << "No" << endl;
	}
	else if((H==1 && W%2==1) || (W==1 && H%2==1)){
		if(evens_odd()) cout << "Yes" << endl;
		else cout << "No" << endl;
	}else if(H%2==0 && W%2==0){
		if(fours()) cout << "Yes" << endl;
		else cout << "No" << endl;		
	}else if(H%2==1 && W%2==1){
		if(odd_odd1()) cout << "Yes" << endl;
		else cout << "No" << endl;				
	}else{
		if(even_odd()) cout << "Yes" << endl;
		else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:83:2: error: expected '}' at end of input
   83 | }
      |  ^
a.cc:58:11: note: to match this '{'
   58 | int main(){
      |           ^
a.cc: In function 'bool evens_odd()':
a.cc:22:1: warning: control reaches end of non-void function [-Wreturn-type]
   22 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long int
int main(){
    bool b=true;
    map<char,int> m;
    int h,w,a=1,count=0;
    char c;
    cin>>h>>w;
    for(int i=0;i<h*w;i++){
        cin>>c;
        if(m.find(c)!=m.end()){
            m[c]++;
        }
        else{
            m[c]=1;
        }
    }
    if(!(h%2))a*=2;
    if(!(w%2))a*=2;
    for(auto x:m){
        if(m[x.first]%a){
            b=false;
            break;
        }
        m[x.first]/=a;
    }
    if(b&&!(a%4)){
        cout<<"Yes"<<endl;
    }
    else if(b&&!(a%2)){
        for(auto x:m){
            if(m[x.first]%2){
                count++;
            }
        }
        if(count<=((h%2==0)?h/2:w/2)&&b)cout<<"Yes"<<endl;
        else{cout<<"No"<<endl;
    }
    else{
        for(auto x:m){
            if(m[x.first]%2){
                count++;
            }
        }
        if(count<=1&&b)cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:5: error: expected '}' before 'else'
   40 |     else{
      |     ^~~~
a.cc:31:23: note: to match this '{'
   31 |     else if(b&&!(a%2)){
      |                       ^
Language: C++

#include <map>
#include <algorithm>
#include <cassert>
#include <climits>
#include <complex>
#include <cstdio>
#include <string>
#include <iostream>
#include <queue>
#include <string>
#include <tuple>
#include <vector>
using namespace std;
#define FOR(i,x,y) for(int i=(x);i<(int)(y);i++)
#define FORP(i,x,y) for(int i=(x);i<=(int)(y);i++)
#define REP(i,y) for(int i=0;i<(int)(y);i++)
#define REPP(i,y) for(int i=1;i<=(int)(y);i++)
#define REPB(i,n) for(int i=(int)(n)-1;i>=0;i--)

int h,w;
map<int,int> mp;

void err() {
  cout << "No" << endl;
  exit(0);
}

int main()
{
  cin>>h>>w;
  int a=h*w;
  bool ht = h%2==0;
  bool wt = w%2==0;
  REP(i,h)
  {
    string s; cin>>s;
    for (char c : s) mp[c-'a']++;
  }

  if (ht&&wt)
  {
    REP(i,26) if (mp[i]%4!=0) err();
    cout << "Yes" << endl;
    return 0;
  }
  else if (ht||wt)
  {
    REP(i,26)
    {
      int s = mp[i];
      if (s%4==0) mp[i] = 0;
    }
    REP(i,26) if(mp[i]%2!=0) err();
    cout << "Yes" << endl;
    return 0;
  }
  else if (!ht&&!wt)
  {
    REP(i,26) if (mp[i]%2==1) mp[i]--, break;
    int left = (a - ((h-1) + (w-1) + 1)) / 4;
    REP(i,26)
    {
      int s = mp[i];
      if (s/4!=0)
      {
        mp[i] = s - min(s/4, left) * 4;
        left -= min(s/4, left);
      }
      if (left == 0) break;
    }
    if (left != 0) err();
    REP(i,26)
    {
      if (mp[i]%2!=0) err();
    }

    cout << "Yes" << endl;
    return 0;
  }
}
a

Compiler output:
a.cc: In function 'int main()':
a.cc:59:40: error: expected primary-expression before 'break'
   59 |     REP(i,26) if (mp[i]%2==1) mp[i]--, break;
      |                                        ^~~~~
a.cc: At global scope:
a.cc:81:1: error: 'a' does not name a type
   81 | a
      | ^
Language: C++

#include <map>
#include <algorithm>
#include <cassert>
#include <climits>
#include <complex>
#include <cstdio>
#include <string>
#include <iostream>
#include <queue>
#include <string>
#include <tuple>
#include <vector>
using namespace std;
#define FOR(i,x,y) for(int i=(x);i<(int)(y);i++)
#define FORP(i,x,y) for(int i=(x);i<=(int)(y);i++)
#define REP(i,y) for(int i=0;i<(int)(y);i++)
#define REPP(i,y) for(int i=1;i<=(int)(y);i++)
#define REPB(i,n) for(int i=(int)(n)-1;i>=0;i--)

int h,w;
map<int,int> mp;

void err() {
  cout << "No" << endl;
  exit(0);
}

int main()
{
  err();
  cin>>h>>w;
  int a=h*w;
  bool ht = h%2==0;
  bool wt = w%2==0;
  REP(i,h)
  {
    string s; cin>>s;
    for (char c : s) mp[c-'a']++;
  }

  if (ht&&wt)
  {
    REP(i,26)
    {
      if (mp[i]%4!=0) err();
    cout << "Yes" << endl;
    return 0;
  }

  else if (ht||wt)
  {
    REP(i,26)
    {
      int s = mp[i];
      if (s%4==0) mp[i] = 0;
    }
    REP(i,26) if(mp[i]%2!=0) err();
    cout << "Yes" << endl;
    return 0;
  }

  else if (!ht&&!wt)
  {
    int left = (a - ((h-1) + (w-1) + 1)) / 4;
    REP(i,26)
    {
      int s = mp[i];
      if (s/4!=0)
      {
        mp[i] = s - min(s/4, left) * 4;
        left -= min(s/4, left);
      }
      if (left == 0) break;
    }
    if (left != 0) err();
    left = ((h-1) + (w-1)) / 2;
    REP(i,26)
    {
      int s = mp[i];
      if (s!=0&&s%2==0)
      {
        mp[i] = s - min(s/2, left) * 2;
        left -= min(s/2, left);
      }
      if (left==0) break;
    }

    int sum = 0;
    REP(i,26) {
      sum += mp[i];
    }
    if (sum==1) cout << "Yes" << endl;
    else cout << "No" << endl;
    return 0;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:50:3: error: expected '}' before 'else'
   50 |   else if (ht||wt)
      |   ^~~~
a.cc:42:3: note: to match this '{'
   42 |   {
      |   ^
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; i++)
using namespace std;

int h, w;
int a[26];

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  cin >> h >> w;
  rep(i, h * w) {
    char x;
    cin >> x;
    a[x - 'a']++;
  }

  int g1, g2, g4;
  g1 = ((h % 2 == 1 && w % 2 == 1) ? 1 : 0);
  g2 = ((w % 2 == 1) ? (h / 2) : 0) + ((h % 2 == 1) ? (w / 2) : 0);
  g4 = ( h / 2 ) * ( w / 2 );
  int c[3] = {0, 0, 0}, s[3] = {0, 0, 0};
  while (c[0] < g1 && s[0] < 26) {
    s[0] = 0;
    for (int i = 0; i < 26 && c[0] < g1; i++) {
      if (a[i] > 0 && a[i] % 2 == 1) {
        a[i]--;
        c[0]++;
      }
      else {
        s[0]++;
      }
    }
  }
  /hile (c[1] < g2 && s[1] < 26) {
    s[1] = 0;
    for (int i = 0; i < 26 && c[1] < g2; i++) {
      if (a[i] > 0 && a[i] % 4 == 2) {
        a[i] -= 2;
        c[1]++;
      }
      else {
        s[1]++;
      }
    }
  }
  while (c[2] < g4 && s[2] < 26) {
    s[2] = 0;
    for (int i = 0; i < 26 && c[2] < g4; i++) {
      if (a[i] > 0 && a[i] % 4 == 0) {
        a[i] -= 4;
        c[2]++;
      }
      else {
        s[2]++;
      }
    }
  }

  /*while (c[1] < g2 && s[1] < 26) {
    s[1] = 0;
    for (int i = 0; i < 26 && c[1] < g2; i++) {
      if (a[i] > 0 && (a[i] % 4 == 0 || a[i] % 4 == 2)) {
        a[i] -= 2;
        c[1]++;
      }
      else {
        s[1]++;
      }
    }
  }*/
  if (c[0] != g1 && c[1] != g2 && c[2] != g4) {
    puts("No");
    return 0;
  }
  for (int i = 0; i < 26; i++) {
    if (a[i] != 0) {
      puts("No");
      return 0;
    }
  }
  puts("Yes");
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:3: error: expected primary-expression before '/' token
   36 |   /hile (c[1] < g2 && s[1] < 26) {
      |   ^
a.cc:36:4: error: 'hile' was not declared in this scope
   36 |   /hile (c[1] < g2 && s[1] < 26) {
      |    ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; i++)
using namespace std;

int h, w;
int a[26];

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  cin >> h >> w;
  rep(i, h * w) {
    char x;
    cin >> x;
    a[x - 'a']++;
  }

  int g1, g2, g4;
  g1 = ((h % 2 == 1 && w % 2 == 1) ? 1 : 0);
  g2 = ((w % 2 == 1) ? (h / 2) : 0) + ((h % 2 == 1) ? (w / 2) : 0);
  g4 = ( h / 2 ) * ( w / 2 );
  int c[3] = {0, 0, 0}, s[3] = {0, 0, 0};
  while (c[0] < g1 && s[0] < 26) {
    s[0] = 0;
    for (int i = 0; i < 26 && c[0] < g1; i++) {
      if (a[i] > 0 && a[i] % 2 == 1) {
        a[i]--;
        c[0]++;
      }
      else {
        s[0]++;
      }
    }
  }
  while (c[1] < g2 && s[1] < 26) {
    s[1] = 0;
    for (int i = 0; i < 26 && c[1] < g2; i++) {
      if (a[i] > 0 && a[i] % 4 == 2) {
        a[i] -= 2;
        c[1]++;
      }
      else {
        s[1]++;
      }
    }
  }
  while (c[2] < g4 && s[2] < 26) {
    s[2] = 0;
    for (int i = 0; i < 26 && c[2] < g4; i++) {
      if (a[i] > 0 && a[i] % 4 == 0) {
        a[i] -= 4;
        c[2]++;
      }
      else {
        s[2]++;
      }
    }
  }
  while (c[1] < g2 && s[1] < 26) {
    s[1] = 0;
    for (int i = 0; i < 26 && c[1] < g2; i++) {
      if (a[i] > 0 && (a[i] % 4 == 0) {
        a[i] -= 2;
        c[1]++;
      }
      else {
        s[1]++;
      }
    }
  }
  for (int i = 0; i < 26; i++) {
    if (a[i] != 0) {
      puts("No");
      return 0;
    }
  }
  puts("Yes");
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:63:38: error: expected ')' before '{' token
   63 |       if (a[i] > 0 && (a[i] % 4 == 0) {
      |          ~                           ^~
      |                                      )
a.cc:70:5: error: expected primary-expression before '}' token
   70 |     }
      |     ^
Language: Java

using namespace std;  
   
int m,n,num[26]; char s[100009];  
int main(){  
    scanf("%d%d",&m,&n);  
    int s1=(m>>1)*(n>>1),s2=(m&1)*(n>>1)+(m>>1)*(n&1),s3=m&n&1;  
    int i,j;  
    for (i=1; i<=m; i++){  
        scanf("%s",s+1);  
        for (j=1; j<=n; j++) num[s[j]-'a']++;  
    }  
    for (i=0; i<26; i++){  
        while (num[i]>=4 && s1){ num[i]-=4; s1--; }  
        while (num[i]>=2 && s2){ num[i]-=2; s2--; }  
        while (num[i] && s3){ num[i]--; s3--; }  
        if (num[i]) break;  
    }  
    puts(i<26?"No":"Yes");  
    return 0;  
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
using namespace std;  
^
Main.java:3: error: class, interface, enum, or record expected
int m,n,num[26]; char s[100009];  
^
Main.java:3: error: class, interface, enum, or record expected
int m,n,num[26]; char s[100009];  
                 ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
int main(){  
^
  (use --enable-preview to enable unnamed classes)
Main.java:5: error: illegal start of expression
    scanf("%d%d",&m,&n);  
                 ^
Main.java:5: error: illegal start of expression
    scanf("%d%d",&m,&n);  
                    ^
6 errors
Language: C++

#define REP(i, n) for (int i = 0; i < (n); i++)
#define RREP(i, a, b) for (int i = a; i < (b); i++)
#define FOR(i, n) for (int i = n; i >= 0; i--)
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <cstring>
#include <vector>
#define ll long long
#define INF 1000000001;
using namespace std;
struct Edge{int from, to, cost;};

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    int h,w;
    cin >> h >> w;
    int num[27];
    REP(i,27) num[i] = 0;
    REP(i,h){
        REP(j,w){
            char in;
            cin >> in;
            num[int(in)-97]++;
        }
    }
    bool flag = true;
    int odd = 0;
    int even = 0;
    int four = 0;
    int other = 0;
    int bigger = 0;
    int bigfour = 0;

    REP(i,27){
        if(num[i]%2) odd++;
        else if(num[i] != 0 && num[i]%2 == 0){
            even++;
            if(num[i] % 4 == 0) four+=num[i]/4;
            else other++;
            
            if(num[i] == 2) two++;
            if(num[i] >= 4){
                bigger++;
                bigfour += num[i]/4;
            }
            
        }
    
    }

    if(h%2 == 0 && w%2 == 0){
        if(odd > 0) flag = false;
        int num = (h/2)*(w/2);
        if(num != four) flag = false;
    }
    else if(h%2 == 1 && w%2 == 1){
        if(odd != 1) flag = false;
        int num = ((h-1)/2)*((w-1)/2);
        if(num > bigfour) flag = false;
        int num2 = ((h-1)/2)+((w-1)/2);
        if(other > num2) flag = false;
    }
    else{
        if(odd > 0) flag = false;
        
        if(w%2 == 1) swap(h,w);

        int num = ((h-1)/2)*(w/2);
        if(num > bigfour) flag = false;
        int num2 = w/2;
        if(other < num2) flag = false; 
    }


    if(flag) cout << "Yes" << endl;
    else cout << "No" << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:49:29: error: 'two' was not declared in this scope
   49 |             if(num[i] == 2) two++;
      |                             ^~~
Language: C++

#include <iostream>
using namespace std;
const int maxn=100+5;
int n,m;
char a[maxn][maxn];
int cnt[27];
int main() {
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;I+=){
		scanf("%s",a[i]+1);
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			cnt[a[i][j]-'a']++;
		} 
	}
	int s1=0,s2=0,s4=0;
	for(int i=0;i<26;i++){
		if(cnt[i]&1) s1++;
		else{
			if(cnt[i]==2) s2++;
			else s4++;
		}
	}
	bool can=true;
	if(n&1 && m&1 && s2>0)can=false;
	if(n%2==0 && m%2==0 && s1>0) {can=false;}
	if(can) printf("Yes\n");
	else printf("No\n");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:26: error: 'I' was not declared in this scope
    9 |         for(int i=1;i<=n;I+=){
      |                          ^
a.cc:9:29: error: expected primary-expression before ')' token
    9 |         for(int i=1;i<=n;I+=){
      |                             ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int t[30];
int main() {
    ios_base::sync_with_stdio(0);
    int h, w;
    cin >> h >> w;
    char x;
    int ind = 0;
    for (int i = 0; i < h; i++) {
        for ( int j = 0; j < w; j++) {
            cin >> x;
            t[x - 'a']++;
        }
    }
    if ( h % 2 == 0 && w % 2 == 0) {
        for ( int i = 0; i <= 28; i++) {
            if ( t[i] % 4 != 0) {
                cout << "No";
                return 0;
            }
            cout << "Yes";
        }
        сout << "Yes";
        return 0;
    }
    if ( h % 2 != 0 && w % 2 != 0) {
        int cur1 = 0;
        int cur2 = 0;
        for ( int i = 0; i <= 28; i++) {
            if ( t[i] % 4 == 2) cur2++;
            if ( t[i] % 2 == 1) {
                    cur1++;
                    ind = i;
            }
        }
        if ( cur1 > 1) cout <<"No";
        else {
            if (t[ind] % 4 == 3 ) {
                cur2++;
            }
            if ( cur2 > h / 2 + w / 2) cout << "No";
            else if ( cur2  % 2 != (h / 2 + w / 2) % 2) cout << "No";
            else cout << "Yes";
        }
        return 0;
    }
    int cur1 = 0; int cur2 = 0;
    if ( h % 2 != 0) swap(h, w);
    for ( int i = 0; i <= 28; i++) {
            if ( t[i] % 4 == 2) cur2++;
            if ( t[i] % 2 == 1) cur1++;
        }
    if ( cur1 > 0) cout << "No";
    else if ( cur2 > h / 2) cout << "No";
    else if ( cur2 % 2 != (h / 2) % 2) cout << "No";
    else cout << "Yes";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:9: error: '\U00000441out' was not declared in this scope
   24 |         сout << "Yes";
      |         ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int t[30];
int main() {
    ios_base::sync_with_stdio(0);
    int h, w;
    cin >> h >> w;
    char x;
    int ind = 0;
    for (int i = 0; i < h; i++) {
        for ( int j = 0; j < w; j++) {
            cin >> x;
            t[x - 'a']++;
        }
    }
    if ( h % 2 == 0 && w % 2 == 0) {
        for ( int i = 0; i <= 25; i++) {
            if ( t[i] % 4 != 0) {
                cout << "No";
                return 0;
            }
            cout << "Yes";
            return 0;
        }
    }
    if ( h % 2 != 0 && w % 2 != 0) {
        int cur1 = 0;
        int cur2 = 0;
        for ( int i = 0; i <= 25; i++) {
            if ( t[i] % 4 == 2) cur2++;
            if ( t[i] % 2 == 1) {
                    cur1++;
                    ind = i;
            }
        }
        if ( cur1 > 1) cout <<"No";
        else {
            if ((t[ind] - 1) / 2) % 2 != 0 {
                cur2++;
            }
            if ( cur2 > h / 2 + w / 2) cout << "No";
            else if ( cur2  % 2 != (h / 2 + w / 2) % 2) cout << "No";
            else cout << "Yes";
        }
        return 0;
    }
    int cur1 = 0; int cur2 = 0;
    if ( h % 2 != 0) swap(h, w);
    for ( int i = 0; i <= 25; i++) {
            if ( t[i] % 4 == 2) cur2++;
            if ( t[i] % 2 == 1) cur1++;
        }
    if ( cur1 > 0) cout << "No";
    else if ( cur2 > h / 2) cout << "No";
    else if ( cur2 % 2 != (h / 2) % 2) cout << "No";
    else cout << "Yes";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:35: error: expected primary-expression before '%' token
   38 |             if ((t[ind] - 1) / 2) % 2 != 0 {
      |                                   ^
Language: C++

//Atcoder 3
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
 
int num[30];
 
int main(){
	memset(num,0,sizeof(num));
	char tmp;
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++)
	for(int j=1;j<=m;j++)
	cin>>tmp,num[tmp-'a']++;
	
	if(n%2==0&&m%2==0){//Å¼Å¼ 
		for(int i=0;i<26;i++){
			cnt4+=num[i]/4;num[i]%=4;
		}
		if(4*cnt4!=n*m) {cout<<"No"<<endl;return 0;}
	}
	else if((n*m)%2==1){//ÆæÆæ 
		int cnt1=0,cnt2=0,cnt4=0;
		for(int i=0;i<26;i++){
			cnt4+=num[i]/4;num[i]%=4;
			cnt2+=num[i]/2;num[i]%=2;
			cnt1+=num[i];
		}
		if(cnt1!=1||(2*cnt2+4*cnt4)!=(n*m-1)||(4*cnt4)<(n*m-1-2*(n/2+m/2))) 
		{cout<<"No"<<endl;return 0;}
	}
	else if((n*m)%2==0){//ÆæÅ¼
		int cnt2=0,cnt4=0; 
		for(int i=0;i<26;i++){
			cnt4+=num[i]/4;num[i]%=4;
			cnt2+=num[i]/2;num[i]%=2;
		}
		if((2*cnt2+4*cnt4)!=(n*m)||(4*cnt4<(m/2*2)*(n/2*2)))
		{cout<<"No"<<endl;return 0;}
	}
	
	cout<<"Yes"<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:25: error: 'cnt4' was not declared in this scope
   20 |                         cnt4+=num[i]/4;num[i]%=4;
      |                         ^~~~
a.cc:22:22: error: 'cnt4' was not declared in this scope
   22 |                 if(4*cnt4!=n*m) {cout<<"No"<<endl;return 0;}
      |                      ^~~~
Language: C++

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

int main(){
    int H,W;
    cin >> H >> W;
    char a[101][101];
    int c[26]={0};
    for(int y=0;y<H;y++){
        for(int x=0;x<W;x++){
            cin >> a[x][y];
            c[(int)a[x][y]-97]+=1;
        }
    }
    int c4=0,c2=0,c1=0;
    for(int i=0;i<26;i++){
        int x=0,y=0;
        while(1){
            if((x+1)*4>c[i]){
                c4+=x;
                break;
            }
            x++;
        }
        while(1){
            if((y+1)*2>c[i]-4*x){
                c2+=y;
                break;
            }
            y++;
        }
        c1+=c[i]-4*x-2*y;
    }
    if(H%2==0&&W%2==0){
        if(c4==(H*W)/4) cout << "Yes" << endl;
        else cout << "No" << endl;
    }
    else if(H%2==1&&W%2==1){
        if(c1==1&&c2<=H/2+W/2) cout << "Yes" << endl;
        else cout << "No" << endl;
    }
    else if(H%2==0&&W%2==1){
        if(c1==0&&c2<=H/2) cout << "Yes" << endl;
        else cout << "No" << endl;
        }
    }
    else if(H%2==1&&W%2==0){
        if(c1==0&&c2<=W/2) cout << "Yes" << endl;
        else cout << "No" << endl;
    }
    return 0;
}

Compiler output:
a.cc:47:5: error: expected unqualified-id before 'else'
   47 |     else if(H%2==1&&W%2==0){
      |     ^~~~
a.cc:51:5: error: expected unqualified-id before 'return'
   51 |     return 0;
      |     ^~~~~~
a.cc:52:1: error: expected declaration before '}' token
   52 | }
      | ^
Language: C++

#include<iostream>
using namespace std;

int main(){
  int H,W;
  int num[26];
  char a;
  for(int i = 0; i < 26; i++) num[i] = 0;

  cin >> H >> W;
  for(int i = 0; i < H; i++){
    for(int j = 0; j < W; j++){
      cin >> a;
      num[int(a) - int('a')] += 1;
    }
  }

  int num_odd = 0;
  int num_2 = 0;

  for(int i = 0; i < 26; i++){
    if(num[i] % 2 == 1) num_odd++;
    if(num[i] == 2) num_2++;
  }

  //どちらも奇数
  if(H % 2 == 1 && W % 2 == 1 && num_odd == 1){
    if(H/2 + W/2 >= num_2){
      cout << "Yes" << endl;
      return 0;
    }
    else{
      cout << "No" << endl;
      return 0;
    }
  }


  //片方奇数
  else if((H % 2 == 1 || W % 2 == 0) && num_odd == 0){
    if((W/2 >= num_2){
      cout << "Yes" << endl;
      return 0;
    }
    else{
      cout << "No" << endl;
      return 0;
    }
  }

  else if((H % 2 == 0 || W % 2 == 1) && num_odd == 0){
    if(H/2 >= num_2){
      cout << "Yes" << endl;
      return 0;
    }
    else{
      cout << "No" << endl;
      return 0;
    }
  }

  //どちらも奇数でない
  else if(H%2 == 0 && W%2 == 0 && num_odd == 0){
    if(num_2 == 0){
      cout << "Yes" << endl;
      return 0;
    }
    else{
      cout << "No" << endl;
      return 0;
    }
  }

  else{
    cout << "No" << endl;
    return 0;
  }

  //デバッグ
  //for(int i = 0; i < 26; i++) cout << num[i] << endl;


  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:22: error: expected ')' before '{' token
   41 |     if((W/2 >= num_2){
      |       ~              ^
      |                      )
a.cc:49:3: error: expected primary-expression before '}' token
   49 |   }
      |   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int n,m;
char a[1009][1009];
int b[10009];
int main()
{
    cin>>n>>m;
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            cin>>a[i][j];
            b[a[i][j]]++;
        }
    }
    int is1=0,is2=0,is4=0;
    for(int i='a';i<='z';i++)
    {
        if(b[i]==0)continue;
        if(b[i]%4==0)
            is4++;
        else if(b[i]%2==0)
            is2++;
        else{if(b[i]%4==2)is2++;else if(b[i]%4==3){is2++;is1++}
        else if(b[i]%4==1)is1++;
        }
    }
    if(is1>1)
    {
        cout<<"No";return 0;
    }
    if(is1==1&&n%2==0&&m%2==0)
    {
        cout<<"No";return 0;
    }
    if(is2&&n%2==0&&m%2==0)
    {
        cout<<"No";return 0;
    }
    else if(is2>(n/2+m/2))
    {
        cout<<"No";return 0;
    }
    cout<<"Yes";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:63: error: expected ';' before '}' token
   25 |         else{if(b[i]%4==2)is2++;else if(b[i]%4==3){is2++;is1++}
      |                                                               ^
      |                                                               ;
Language: C++

h, w = map(int, raw_input().split())

cnt = {}

for i in range(h):
    for c in raw_input():
        if c not in cnt:
            cnt[c] = 0
        cnt[c] += 1


four = (h / 2) * (w / 2)
one = (h % 2) * (w % 2)
two = (h * w - four * 4 - one) / 2
        
for c in cnt:
    tmp = cnt[c]
    if tmp % 2 == 1:
        one -= 1
        tmp -= 1
    if tmp % 4 == 2:
        two -= 1
        tmp -= 2
if one == 0 and two >= 0:
    print "Yes"
else:
    print "No"
    
    

Compiler output:
a.cc:1:1: error: 'h' does not name a type
    1 | h, w = map(int, raw_input().split())
      | ^
a.cc:5:1: error: expected unqualified-id before 'for'
    5 | for i in range(h):
      | ^~~
Language: C++

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

#define int long long
#define pb push_back 
#define mp make_pair
#define fr first
#define sc second
#define Rep(i, n) for( int i = 0; i < (n); i++ )
#define Rrep(i, a, n) for( int i = (a); i < (n); i++ )
#define All(v) v.begin(), v.end()

typedef pair<int, int> Pii; 
typedef pair<int, Pii> Pip;
const int INF = 1107110711071107;

signed main() {
  int H, W;
  cin >> H >> W;
  int cnt[26] = {0};
  Rep(i, H) Rep(j, W) {
    char c; cin >> c;
    cnt[c - 'a']++;
  }
  
  int flag = true;
  Rep(i, (W/2)) {
    Rep(j, (H/2)) {
      
      int flag2 = false;
      Rep(k, 26) {
	if ( cnt[k] >= 4 ) {
	  flag2 = true;
	  cnt[k] -= 4;
	  break;
	} 
      }
      if ( !flag2 ) {
	flag = false;
	i = INF; break;
      }
    }
    
    if ( H % 2 == 1 ) {
      
      int flag2 = false;
      int under4 = false;
      Rep(k, 26) {
	if ( cnt[k] <= 3 && cnt[k] >= 2 ) {
	  under4 = true;
	  break;
	}
      }
      Rep(k, 26) {
	if ( cnt[k] >= 4 && !under4 ) {
	  cnt[k] -= 2;
	  flag2 = true;
	  break;
	}
	if ( cnt[k] <= 3 cnt[k] >= 2 && under4 ) {
	  cnt[k] -= 2;
	  flag2 = true;
	  break;
	}
      }
      if ( !flag2 ) {
	flag = false;
	i = INF; break;
      }
    }
  }
  if ( W % 2 == 1 ) {
    Rep(i, (H/2)) {
    
      int flag2 = false;
      Rep(j, 26) {
	if ( cnt[j] >= 2 ) {
	  cnt[j] -= 2;
	  flag2 = true;
	  break;
	}
      }
      if ( !flag2 ) {
	flag = false;
	break;
      }
    }
  }

  if ( flag ) cout << "Yes" << endl;
  else cout << "No" << endl;
 
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:60:25: error: expected ')' before 'cnt'
   60 |         if ( cnt[k] <= 3 cnt[k] >= 2 && under4 ) {
      |            ~            ^~~~
      |                         )
Language: C++

#include <iostream>
#include <cmath>
#include <vector>
#include <cstdlib>
#include <stdio.h>


using namespace std;

void show_nums(int *letter){
  for( int i = 0; i < 26; i++){
    printf("%c : %d\n", i+97, letter[i]);
  }
  return;
}

int main(int argc, char *argv[]){

  int H, W;
  cin >> H >> W;
  char c;
  int letter[26] = {};
  for(int i = 0; i < H*W; i++){
    cin >> c;
    int num = c - 97;
    letter[num]++;
  }
  int th4 = 0, th2 = 0, th1; // th4 4の倍数, th2 の倍数
  for(int i = 0; i < 26; i++){
    if((letter[i]%4) == 0){
      // 偶数
      th4++;
    }
    if((letter[i]%2) == 0){
      // 偶数
      th2++;
    }
  }
  th1 = 26 - th2;
  th2 = th2 - th4;

  int Yes = 0;

  if(((W%2) == 0) && ((H%2) == 0)){
    if(th1 == 0 && th2 == 0)
      Yes = 1;
  }else if(((W%2) == 0) && ((H%2) == 1)){
    if( /*(th1 == W && th2 == 0) ||*/
    ((2*th2) == W) ||
    ((W - 2*th2)%4 == 0) && th4 >= 1 ){
      Yes = 1;
    }

  }else if(((W%2) == 1) && ((H%2) == 0)){
    if( /*(th1 == H && th2 == 0) ||*/
    ((2*th2) == H) ||
    ((H - 2*th2)%4 == 0) && th4 >= 1 ){
      Yes = 1;
    }
  }else if(((W%2) == 1) && ((H%2) == 1)){
    int mid = W + H - 2;
    if((th1 == 1) &&
    ((mid - 2*th2)%4 == 0)){
      Yes = 1;
    }
    if(W == 1 || H == 1){
      if(th1 == 1 && th4 = 0 && (mid - 2*th2)%2 == 0)
       Yes = 1;

    }
  }



  if(Yes == 1){
    cout << "Yes";
  }else{
    cout << "No";
  }
  cout << endl;




  return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:67:19: error: lvalue required as left operand of assignment
   67 |       if(th1 == 1 && th4 = 0 && (mid - 2*th2)%2 == 0)
      |          ~~~~~~~~~^~~~~~
Language: C++

#include <iostream>
#include <stdio.h>
#include <string>
#include <vector>
#include <set>
#include <cmath>
#include <algorithm>
#define MP make_pair
using ll = long long;
using namespace std;

int main()
{
  int H,W;
  //cout << int('b') - 97<< endl;
  cin >> H >> W;
  vector<int>c(26, 0);
  vector<vector <char> >A(H, vector<char>(W));
  char cc;
  for(int i=0; i < H; i++){
    for(int j=0; j < W; j++){
      cin >> cc;
      //cout << cc << endl;
      A[i][j] = cc;
      c[int(cc) - 97]++;
    }
  }
  //for(int i=0; i < 26; i++)
  //  cout << c[i] << endl;
  bool can = true;
  int E1=0;
  int E2=0;
  E1 = H;
  E2 = W;
  if(H%2 == 0){
    for(int i=0; i < 26; i++){
      if(c[i]%2 != 0){
	can = false;
        break;
      }
      c[i] /= 2;
    }
    E1 = H/2;
  }
  if(W%2 == 0){
    for(int i=0; i < 26; i++){
      if(c[i]%2 != 0){
	can = false;
        break;
      }
      c[i] /= 2;
    }
    E2 = W/2;
  }
    //cout << E1 << E2 << endl;
    if(can && (E1%2==1 || E2%2==1)){
      int n_odd=0;
      for(int i=0; i < 26; i++){
	if(c[i]%2 == 1)
	  n_odd++;
      }
      int ee1=-1;
      int ee2=-1;
      if(E1%2==1)
	ee1 = E2;
      if(E2%2==1)
	ee2 = E1

      if(n_odd != ee1 && n_odd != ee2)
	can = false;
    //cout << E1 << E2 << n_odd << endl;
    }
    if(can && E1%2==0 && E2%2==0){
      int n_odd=0;
      for(int i=0; i < 26; i++){
	if(c[i]%2 == 1)
	  n_odd++;
      }
      if(n_odd!=0)
	can = false;
    }
  if(can)
    cout << "Yes" << endl;
  else
    cout << "No" << endl;



  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:67:17: error: expected ';' before 'if'
   67 |         ee2 = E1
      |                 ^
      |                 ;
   68 | 
   69 |       if(n_odd != ee1 && n_odd != ee2)
      |       ~~
Language: C++

#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<stdio.h>
#include<cmath>
#include<vector>
#include<utility>
#include<queue>
#include<stack>
#include<stdlib.h>
#define FOR(i, a, b) for(int i=(a);i<=(b);i++)
#define RFOR(i, a, b) for(int i=(a);i>=(b);i--)
#define MOD 1000000007

using namespace std;


int main(void) {
	int h, w;
	char a[105][105];
	int bai4 = 0;
	int bai2 = 0;
	int ki = 0;
	int point = 0;
	int count[30] = {};

	cin >> h >> w;
	FOR(i, 1, h) {
		FOR(t, 1, w) {
			cin >> a[i][t];
			
			}
		}
	}
	
printf("Yes\n");

	return 0;
}

Compiler output:
a.cc:37:7: error: expected constructor, destructor, or type conversion before '(' token
   37 | printf("Yes\n");
      |       ^
a.cc:39:9: error: expected unqualified-id before 'return'
   39 |         return 0;
      |         ^~~~~~
a.cc:40:1: error: expected declaration before '}' token
   40 | }
      | ^
Language: C++

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

int n, m, x[200][200], cnt[26];
char a[200];
priority_queue<int> pq, use;

int main(){
scanf("%d%d", &n, &m);
for(int i = 0; i < n; i++){
scanf("%s", a);
for(int j = 0; j < m; j++) cnt[a[i] - 'a']++;
}
for(int i = 0; i < 26; i++) pq.push(cnt[i]);
for(int i = 0; i < (n + 1) / 2; i++) for(int j = 0; j < (m + 1) / 2; j++) x[i][j] = 4;
if(n & 1){ for(int j = 0; j < (m + 1) / 2; j++) x[i][j] /= 2; }
if(m & 1){ for(int i = 0; i < (n + 1) / 2; i++) x[i][j] /= 2; }
for(int i = 0; i < (n + 1) / 2; i++) for(int j = 0; j < (m + 1) / 2; j++) use.push(x[i][j]);
while(!use.empty()){
int t = pq.top(); pq.pop();
if(t < use.top()){ puts("No"); return 0; }
t -= use.top();
use.pop();
pq.push(t);
}
puts("Yes");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:51: error: 'i' was not declared in this scope
   16 | if(n & 1){ for(int j = 0; j < (m + 1) / 2; j++) x[i][j] /= 2; }
      |                                                   ^
a.cc:17:54: error: 'j' was not declared in this scope
   17 | if(m & 1){ for(int i = 0; i < (n + 1) / 2; i++) x[i][j] /= 2; }
      |                                                      ^
Language: C++

/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author Harshad
 */

#include <iostream>
#include <fstream>

#include <iostream>
#include <vector>

using namespace std;

class TaskC {
public:
    void solve(std::istream &in, std::ostream &out) {
        int n, m;
        in >> n >> m;
        vector<string> arr;
        for (int i = 0; i < n; ++i) {
            string temp;
            in >> temp;
            sort(temp.begin(), temp.end());
            arr.push_back(temp);
        }

        sort(arr.begin(), arr.end());

        for (int i = 1; i < n; i += 2) {
            if (arr[i] != arr[i - 1]) {
                out << "No";
                return;
            }
            vector<int> freq(26);
            for (int j = 0; j < m; ++j) {
                freq[arr[i][j] - 'a']++;
            }
            int odds = 0;
            for (int i = 0; i < 26; ++i) {
                if (freq[i] % 2 == 1) odds++;
            }
            if (odds > 1) {
                out << "No";
                return;
            } else if (odds == 1 && m % 2 == 0) {
                out << "No";
                return;
            } else if (odds == 0 && m % 2 == 1) {
                out << "No";
                return;
            }
        }
        out << "Yes";
    }
};


int main() {
    TaskC solver;
    std::istream &in(std::cin);
    std::ostream &out(std::cout);
    solver.solve(in, out);
    return 0;
}


Compiler output:
a.cc: In member function 'void TaskC::solve(std::istream&, std::ostream&)':
a.cc:24:13: error: 'sort' was not declared in this scope; did you mean 'short'?
   24 |             sort(temp.begin(), temp.end());
      |             ^~~~
      |             short
a.cc:28:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   28 |         sort(arr.begin(), arr.end());
      |         ^~~~
      |         short
Language: C

#include <stdio.h>
#include <stdlib.h>
#define MAX_NUM 105

int compare_int(const void *a, const void *b)
{
    return *(int*)a - *(int*)b;
}

int main(void){
    int H, W;
    int i, j;
    char c[MAX_NUM*MAX_NUM] = {'\0'};
    int char_count[26] = {0};
    int char_index = 0;
    int counter_index = -1;
    char tmp = '\0';
    int tmp2;

    scanf("%d %d", &H, &W);
    for(i=0; i<H; i++){
        for(j=0; j<W-1; j++){
            scanf("%c ", &c[char_index++]);
        }
        scanf("%c ", &c[char_index++]);
    }

    if(W > H){
        tmp = W;
        W = H;
        H = tmp;
    }

    qsort(c, char_index, sizeof(char), compare_int);

    for(i=0; i<char_index, i++){
        if((int)'a' <= c[i] && c[i] <= (int)'z'){
            if(tmp != c[i]){
                tmp = c[i];
                char_count[counter_index++]++;
            }else{
                char_count[counter_index]++;
            }
        }else{
            break;
        }
    }

    qsort(char_count, 26, sizeof(int), compare_int);

    for(i=0; i<26; i++){
        if(char_count[i] == 0)
            continue;
        if(H%2 == 0 && W%2 == 0){
            for(j=i; j<26; j++){
                if(char_count[i]%4 != 0){
                    printf("No");
                    return 0;
                } 
            }
            printf("Yes");
            return 0;
        }else if(H%2 != 0 && W%2 != 0){
            for(j=i; j<26; j++){
                if(char_count[i]%4 != 0 && char_count[i]%2 == 0){
                    printf("No");
                    return 0;
                }
            }
            printf("Yes");
            return 0;
        }else{
            for(j=i; j<26; j++){
                if(char_count[i]%2 != 0){
                    printf("No");
                    return 0;
                }
            }
            printf("Yes");
            return 0;
        }
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:36:31: error: expected ';' before ')' token
   36 |     for(i=0; i<char_index, i++){
      |                               ^
      |                               ;
Language: C++

#define _USE_MATH_DEFINES
#include <sstream> //string stream its useful!
#include<string>
#include<iostream>
#include<utility> //pair
#include <vector> // vector
#include <algorithm>    // swap,sort,binary_search
#include <functional>   // std::greater
#include <map> //map
#include<set> //set
#include<queue> //queue
#include<list> //list
#include<cmath>
#include<numeric>
#include<cassert>
#include <iomanip> //cout<<setprecision
#include <regex>
#include <ctype.h> //toupper case
#include <tuple>

typedef long long ll;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
const ll W = 1000000007;
const int alphacount = 26;
const string atcoyes = "Yes";
const string atcono = "No";



using namespace std;
void omajinai() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout<<setprecision(15);
}

class Main{
public:
    
    ll H,W;
    vector<vector<char>> a;
    Main(){
        std::cin>>H>>W;
        a = vector<vector<char> > (H, vector<char>(W));
        REP(i,H)REP(j,W) cin>>a[i][j];
    }
    
    bool isok(){
        vector<int> count(alphacount,0);
        REP(i,H)REP(j,W) count[a[i][j] - 'a']++;
        int req1 = (H%2 == 1 && W%2 == 1 ) ? 1 : 0;
        int req2 = 0;
        req2 += (H%2 == 1 && W%2 == 1 ) ? -2 : 0;
        req2 += (H%2 == 1) ? H : 0;
        req2 += (W%2 == 1 ) ? W : 0;
        REP(i , alphacount){
            if(count[i]%2 == 1){
                count[i]--; req1--;
            }
        }
        if(req1<0) return false;
        REP(i, alphacount){
            if(count[i]%4 == 2){
                count[i]-=2; req2--;
            }
        }
        return req2 >= 0 && req2%2 == 0;
    }
    
    void run(){
        cout<<(isok() ? atcoyes : atcono )<<endl;
    }
};

#ifndef gtest
int main(){
    omajinai();
    Main().run();
    return 0;
}
#endif

Compiler output:
a.cc:27:7: error: 'string' does not name a type; did you mean 'stdin'?
   27 | const string atcoyes = "Yes";
      |       ^~~~~~
      |       stdin
a.cc:28:7: error: 'string' does not name a type; did you mean 'stdin'?
   28 | const string atcono = "No";
      |       ^~~~~~
      |       stdin
a.cc: In member function 'void Main::run()':
a.cc:73:25: error: 'atcoyes' was not declared in this scope; did you mean 'acos'?
   73 |         cout<<(isok() ? atcoyes : atcono )<<endl;
      |                         ^~~~~~~
      |                         acos
a.cc:73:35: error: 'atcono' was not declared in this scope
   73 |         cout<<(isok() ? atcoyes : atcono )<<endl;
      |                                   ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int sum[30], n, m, x, y;
int MAP[110][110];
int main() {
    memset(MAP, -1, sizeof(MAP));
    cin >> n >> m;
    x = y = 1;
    for (int i = 0; i < n; i ++) {
        string s; cin >> s;
        for (int j = 0; j < s.length(); j ++)
            sum[s[j] - 'a'] ++;
    }
    for (int i = 0; i < 26; i ++) {
        if (sum[i] & 1) {
            if (!(n & 1) || !(m & 1)) {
                return printf("No"), 0;
            }
            if (MAP[(n >> 1) + 1][(m >> 1) + 1] != -1) {
                return printf("No"), 0;
            }
            MAP[(n >> 1) + 1][(m >> 1) + 1] = i;
            sum[i] --;
        }
        if (sum[i] % 4 == 2) {
            if (!(n & 1) && !(m & 1)) {
                return printf("No"), 0;
            }
            int tmp = 0;
            if (m & 1)
                for (int j = 1; !tmp && j <= n / 2; j ++)
                    if (MAP[j][(m >> 1) + 1] == -1) {
                        MAP[j][(m >> 1) + 1] = i;
                        MAP[n - j + 1][(m >> 1) + 1] = i;
                        tmp = 1;
                    }
            if (n & 1)
                for (int j = 1; !tmp && j <= m / 2; j ++)
                    if (MAP[(n >> 1) + 1][j] == -1) {
                        MAP[(n >> 1) + 1][j] = i;
                        MAP[(n >> 1) + 1][m - j + 1] = i;
                        tmp = 1;
                    }
            if (!tmp) {
                return printf("No"), 0;
			}
            sum[i] -= 2;
        }
		for (int j = 1; j <= sum[i] / 4; j ++) {
			while (MAP[x][y] != -1) {
				y ++;
                if (ny == (m >> 1) + 1)
                    y = 1, x ++;
			}
			MAP[x][y] = i;
			MAP[n - x + 1][y] = i;
			MAP[x][m - y + 1] = i;
			MAP[n - x + 1][m - y + 1] = i;
		}
    }
	puts("Yes\n");
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:52:21: error: 'ny' was not declared in this scope; did you mean 'yn'?
   52 |                 if (ny == (m >> 1) + 1)
      |                     ^~
      |                     yn