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

#include <iostream>
#include <string>

using namespace std;

int main()
{
	string c1, c2;
	cin >> c1;
	cin >> c2;
	reverse(c1.begin(), c1.end());
	if (c1 == c2) {
		cout << "YES" << endl;
	}
	else
	{
		cout << "NO" << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'reverse' was not declared in this scope
   11 |         reverse(c1.begin(), c1.end());
      |         ^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
    char a[2][3];
    cin>>a[0];
    cin>>a[1];
    if(a[0][0]==a[1][2]&&a[0][2]==a[1][0]]&&a[0][1]==a[1][1]) cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:42: error: expected ')' before ']' token
    7 |     if(a[0][0]==a[1][2]&&a[0][2]==a[1][0]]&&a[0][1]==a[1][1]) cout<<"YES"<<endl;
      |       ~                                  ^
      |                                          )
a.cc:7:42: error: expected primary-expression before ']' token
Language: C++

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

int main(){
  string s1, s2;
  cin >> s1 >> s2;
  
  if(s1.at(0) == s2.at(2) && s1.at(1) == s2.at(1) && s1.at(2) == s2.at(0)) cout << "YES" << endl;
  else cout << "NO" << endl;
  return 0;
}

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

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	// Atcoder用のサンプルプログラム
    public static void main(String[] args) throws Exception {
        String line = readLine();
        StringTokenizer st = new StringTokenizer(line, " ");
        String c1 = st.nextToken();
        String c2 = st.nextToken();
        
        String c11 = String.valueOf(c1.charAt(0));
        String c12 = String.valueOf(c1.charAt(1));
        String c13 = String.valueOf(c1.charAt(2));
        String c21 = String.valueOf(c2.charAt(0));
        String c22 = String.valueOf(c2.charAt(1));
        String c23 = String.valueOf(c2.charAt(2));
        
        if (c11.equals(c23) && c12.equals(c22) && c13.equals(c21)) {
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
   }
}

Compiler output:
Main.java:9: error: cannot find symbol
        String line = readLine();
                      ^
  symbol:   method readLine()
  location: class Main
1 error
Language: Java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	// Atcoder用のサンプルプログラム
    public static void main(String[] args) throws Exception {
        String line = readLine();
        StringTokenizer st = new StringTokenizer(line, " ");
        String c1 = st.nextToken();
        String c2 = st.nextToken();
        
        String c11 = String.valueOf(c1.charAt(0));
        String c12 = String.valueOf(c1.charAt(1));
        String c13 = String.valueOf(c1.charAt(2));
        String c21 = String.valueOf(c2.charAt(0));
        String c22 = String.valueOf(c2.charAt(1));
        String c23 = String.valueOf(c2.charAt(2));
        
        if (c11.equals(c23) && c12.equals(c22) && c13.equals(c21)) {
        	System.out.println("YES");
        } else {
        	System.out.println("NO");
        }
   }

Compiler output:
Main.java:26: error: reached end of file while parsing
   }
    ^
1 error
Language: Java

import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        String b = sc.next();
        String ans = "Yes";
        if(a.charAt(0)!=b.charAt(2)||a.charAt(1)!=b.charAt(1)||a.charAt(2)!=b.charAt(0)){
            ans = "No";
        }
        System.out.println(ans);
    }

Compiler output:
Main.java:13: error: reached end of file while parsing
    }
     ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
        cout << "NO <<endl;
	return 0;
}

Compiler output:
a.cc:4:17: warning: missing terminating " character
    4 |         cout << "NO <<endl;
      |                 ^
a.cc:4:17: error: missing terminating " character
    4 |         cout << "NO <<endl;
      |                 ^~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:5:9: error: expected primary-expression before 'return'
    5 |         return 0;
      |         ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
	char c[3][2];
	cin >> c[0] >> c[1];
	if(c[0][0] == c[1][2] && c[0][1] == c[1][1] && c[0][2] == c[1][0]){
		cout << "YES" << endl;
	}eles{
		cout << "NO" << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:10: error: 'eles' was not declared in this scope
    8 |         }eles{
      |          ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
	char c[3][2];
	cin >> c[0] >> c[1];
	if(c[0][0] == c[1][2] && c[0][1] == c[1][1] && c[0][2] == c[1][0]){
		cout << "YES" << endl;
	}eles{
		cout << "NO" << endl;
	}
	cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:10: error: 'eles' was not declared in this scope
    8 |         }eles{
      |          ^~~~
Language: C++

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

int main()
{
  string s1,s2;
  cin >>s1;
  cin >>s2;
  
  reverse(s2.begin(),s2.end());

  if (s1==s2){
  cout << "YES";
  }else{
  cout << "NO";
  }
    return 0;
}






Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'reverse' was not declared in this scope
   13 |   reverse(s2.begin(),s2.end());
      |   ^~~~~~~
Language: C++

#include<iostream>
using namespace std;

char c[2][3];

int main(){
    for(int i=0;i<2:i++){
        for(int j=0;j<3;j ++){
            cin>>c[i][j];
        }
    }
    if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]){
        cout<<"YES"<<endl;
    }
    else cout<<"NO"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:17: warning: range-based 'for' loops with initializer only available with '-std=c++20' or '-std=gnu++20' [-Wc++20-extensions]
    7 |     for(int i=0;i<2:i++){
      |                 ^
a.cc:7:20: error: expected ';' before ':' token
    7 |     for(int i=0;i<2:i++){
      |                    ^
      |                    ;
a.cc:12:5: error: expected primary-expression before 'if'
   12 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]){
      |     ^~
a.cc:11:6: error: expected ';' before 'if'
   11 |     }
      |      ^
      |      ;
   12 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]){
      |     ~~
a.cc:12:5: error: expected primary-expression before 'if'
   12 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]){
      |     ^~
a.cc:11:6: error: expected ')' before 'if'
   11 |     }
      |      ^
      |      )
   12 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]){
      |     ~~
a.cc:7:8: note: to match this '('
    7 |     for(int i=0;i<2:i++){
      |        ^
Language: C++

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

char c[2][3];

int main(){
    for(int i=0;i<2:i++){
        for(int j=0;j<3;j ++){
            cin>>c[i][j];
        }
    }
    if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0])cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: warning: range-based 'for' loops with initializer only available with '-std=c++20' or '-std=gnu++20' [-Wc++20-extensions]
    8 |     for(int i=0;i<2:i++){
      |                 ^
a.cc:8:20: error: expected ';' before ':' token
    8 |     for(int i=0;i<2:i++){
      |                    ^
      |                    ;
a.cc:13:5: error: expected primary-expression before 'if'
   13 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0])cout<<"YES"<<endl;
      |     ^~
a.cc:12:6: error: expected ';' before 'if'
   12 |     }
      |      ^
      |      ;
   13 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0])cout<<"YES"<<endl;
      |     ~~
a.cc:13:5: error: expected primary-expression before 'if'
   13 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0])cout<<"YES"<<endl;
      |     ^~
a.cc:12:6: error: expected ')' before 'if'
   12 |     }
      |      ^
      |      )
   13 |     if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0])cout<<"YES"<<endl;
      |     ~~
a.cc:8:8: note: to match this '('
    8 |     for(int i=0;i<2:i++){
      |        ^
Language: C++

#include <iostream>
#include <cmath>
#include <string>
#include <set>
#include <vector>
#include <map>
#include <list>
#include <stack>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p;

int main(void) {
    ll n, i, tmp1, tmp2, ans=0;
    cin >> n;
    ll a[n], b[n], c[n];
    for(i=0; i<n; i++)
        cin >> a[i];
    for(i=0; i<n; i++)
        cin >> b[i];
    for(i=0; i<n; i++)
        cin >> c[i];
    
    sort(a, a+n);
    sort(b, b+n);
    sort(c, c+n);
    
    for(i=0; i<n; i++) {
        tmp1=lower_bound(a, a+n, b[i])-a;
        tmp2=n-(upper_bound(c, c+n, b[i])-c);
        ans += tmp1*tmp2;
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:5: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   24 |     sort(a, a+n);
      |     ^~~~
      |     sqrt
a.cc:30:17: error: 'upper_bound' was not declared in this scope
   30 |         tmp2=n-(upper_bound(c, c+n, b[i])-c);
      |                 ^~~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;

int main(){
  string c1,c2;
  cin >> c1 >> c2;
  char d1,d2,d3,d4,d5,d6;
  d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
  if (d1 == d6 && d2 == d5 && d3 == d4){
    cout << "YES" << endl;
  }
  else {
    cout << "NO" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    8 |   d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
      |             ^
a.cc:8:29: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    8 |   d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
      |                             ^
a.cc:8:45: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    8 |   d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
      |                                             ^
a.cc:8:61: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    8 |   d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
      |                                                             ^
a.cc:8:77: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    8 |   d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
      |                                                                             ^
a.cc:8:93: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    8 |   d1 = c1.at[0] , d2 = c1.at[1] , d3 = c1.at[2] , d4 = c2.at[0] , d5 = c2.at[1] , d6 = c2.at[2];
      |                                                                                             ^
Language: C++

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

int main(){
  string s[2][3];
  for(int i = 0; i < 2; i++){
    for(int j = 0; j < 3; j++){
      cin >> s[i][j];
    }
  }
  string copyt, copyu;
  for(int i = 0; i < 3; i++){
    copyt[i] = s[0][i];
  }
  int c = 0;
  for(int i = 2; i <= 0; i--){
    copyu[c] = s[1][i];
    c++;
  }
  if(copyt == copyu){
    cout << "YES" << endl;
  } else {
    cout << "NO" << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:22: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} in assignment
   13 |     copyt[i] = s[0][i];
      |                ~~~~~~^
      |                      |
      |                      std::string {aka std::__cxx11::basic_string<char>}
a.cc:17:22: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} in assignment
   17 |     copyu[c] = s[1][i];
      |                ~~~~~~^
      |                      |
      |                      std::string {aka std::__cxx11::basic_string<char>}
Language: C++

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

int main(){
  string S,N;
  cin >> S >>　N;
  if(S.at(0) == N.at(2) && S.at(1) == N.at(1) && S.at(2) == N.at(0)){
    cout << "YES" << endl;
  }else{
    cout << "NO" << endl;
  }
}

Compiler output:
a.cc:6:14: error: extended character 　 is not valid in an identifier
    6 |   cin >> S >>　N;
      |              ^
a.cc: In function 'int main()':
a.cc:6:14: error: '\U00003000N' was not declared in this scope
    6 |   cin >> S >>　N;
      |              ^~~
Language: C++

#include<bis/stdc++.h>
using namespace std;
char a,b,c,x,y,z;
int main()
{
    cin>>a>>b>>c>>x>y>>z;
    if(a==z&&b==y&&c==x)cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    return 0;
}

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

#include<iostream>
using namespace std;

int main(){
    string s1, s2;
    cin >> s1 >> s2;

    for(int i = 0 i < 3; i++){
        if(s1[i] != s2[2-i]){
            cout << "NO" << endl;
            return 0;
        }
    }

    cout << "YES" << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected ';' before 'i'
    8 |     for(int i = 0 i < 3; i++){
      |                  ^~
      |                  ;
Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
#include<cstdio>
#include<ctype.h>
#include<stdio.h>
#include<set>
#include<vector>
#include<map>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<numeric>
#include<string>
typedef long long ll;
using namespace std;

int main(){
ll N;
cin>>N;
for(ll i=0; i<N; ++i){
if(N!=1N>=pow(i,2)&&N<pow(i+1,2))
cout<<i*i<<endl; 
else
cout<<1<<endl;
}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:7: error: unable to find numeric literal operator 'operator""N'
   24 | if(N!=1N>=pow(i,2)&&N<pow(i+1,2))
      |       ^~
Language: C++

#include<iostream>
#include<cstring>
using namespace std;
int main(){
    string str, tmp;
    while(cin >> str >> tmp){
    reverse(str.begin(), str.end());
    if(str == tmp) cout << "YES" << endl;
    else cout << "NO" << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'reverse' was not declared in this scope
    7 |     reverse(str.begin(), str.end());
      |     ^~~~~~~
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
    int i,j,c,d=0;
    char par[3];
    char par2[3];
    scanf("%s",par);
    scanf("%s",par2);
    c=strlen(par);
 
  for(i=0,j=c-1;i<j;i++,j--){
    if(par[i]==par2[j]){
            d++;
        break;
    }
  }
i
  if(d==0){
  printf("NO\n");
  }
else{
  printf("YES\n");
  }
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:2: error: expected ';' before 'if'
   18 | i
      |  ^
      |  ;
   19 |   if(d==0){
      |   ~~
a.cc:22:1: error: 'else' without a previous 'if'
   22 | else{
      | ^~~~
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
    int i,j,c,d=0;
    char par[3];
    char par2[3];
    scanf("%s",par);
    scanf("%s",par2);
    c=strlen(par);

  for(i=0,j=c-1;i<j;i++,j--){
    if(par[i]!=par2[j]){
            d++;
        break;
    }
  }
i
  if(d==0){
  printf("NO\n");
  }
else{
  printf("YES\n");
  }
   return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:2: error: expected ';' before 'if'
   18 | i
      |  ^
      |  ;
   19 |   if(d==0){
      |   ~~
a.cc:22:1: error: 'else' without a previous 'if'
   22 | else{
      | ^~~~
Language: C

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

int main(){
    int a[2][3];
    scanf("%s",&a[0]);
    scanf("%s",&a[1]);

    strrev(a[1]);
    if(strcmp(a[0],a[1])==0){
        printf("YES");
    }
    else{
        printf("NO");
    }
return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:5: error: implicit declaration of function 'strrev'; did you mean 'strsep'? [-Wimplicit-function-declaration]
    9 |     strrev(a[1]);
      |     ^~~~~~
      |     strsep
main.c:10:16: error: passing argument 1 of 'strcmp' from incompatible pointer type [-Wincompatible-pointer-types]
   10 |     if(strcmp(a[0],a[1])==0){
      |               ~^~~
      |                |
      |                int *
In file included from main.c:2:
/usr/include/string.h:156:32: note: expected 'const char *' but argument is of type 'int *'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
main.c:10:21: error: passing argument 2 of 'strcmp' from incompatible pointer type [-Wincompatible-pointer-types]
   10 |     if(strcmp(a[0],a[1])==0){
      |                    ~^~~
      |                     |
      |                     int *
/usr/include/string.h:156:50: note: expected 'const char *' but argument is of type 'int *'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                                      ~~~~~~~~~~~~^~~~
Language: C

#include<stdio.h>
#include<conio.h>
int main()
{
    int i,j,c;
    char par[200];
    char par2[200];
    scanf("%s",par);
    scanf("%s",par2);
    c=strlen(par);

  for(i=0,j=c-1;i<j;i++,j--){
    if(par[i]!=par2[j]){
            printf("NO\n");
        break;
    }
  }
  if(i>=j){
  printf("YES\n");
  }
   return 0;
}



Compiler output:
main.c:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#define _USE_MATH_DEFINES
#include <cmath>
#include <vector>
using namespace std;
#define pi M_PI

int main(){
    vector<int> a(6);
    for(int i=0; i<6; i++){
        cin >> a.at(i);
    }

    if(a.at(0 == a.at(5) && a.at(1) == a.at(4) && a.at(2) == a.at(3)){
        cout << "YES" << endl;
    }
    else cout << "NO" << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:70: error: expected ';' before '{' token
   14 |     if(a.at(0 == a.at(5) && a.at(1) == a.at(4) && a.at(2) == a.at(3)){
      |                                                                      ^
      |                                                                      ;
a.cc:14:12: warning: ignoring return value of 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::at(size_type) [with _Tp = int; _Alloc = std::allocator<int>; reference = int&; size_type = long unsigned int]', declared with attribute 'nodiscard' [-Wunused-result]
   14 |     if(a.at(0 == a.at(5) && a.at(1) == a.at(4) && a.at(2) == a.at(3)){
      |        ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:1180:7: note: declared here
 1180 |       at(size_type __n)
      |       ^~
a.cc:17:5: error: expected primary-expression before 'else'
   17 |     else cout << "NO" << endl;
      |     ^~~~
a.cc:16:6: error: expected ')' before 'else'
   16 |     }
      |      ^
      |      )
   17 |     else cout << "NO" << endl;
      |     ~~~~
a.cc:14:7: note: to match this '('
   14 |     if(a.at(0 == a.at(5) && a.at(1) == a.at(4) && a.at(2) == a.at(3)){
      |       ^
Language: C++

#include<stdio.h>  
2.#include<algorithm>  
3.#include<string.h>  
4.#include<queue>  
5.using namespace std;  
6.   
7.int vis[100009];  
8.typedef pair<int, int> P;  
9.   
10.   
11.int main()  
12.{  
13.    int k;  
14.    scanf("%d", &k);  
15.    deque<P> q;  
16.    memset(vis, 0, sizeof(vis));  
17.    q.push_back(make_pair(1, 1));  
18.    while(!q.empty())  
19.    {  
20.        P x = q.front(); q.pop_front();  
21.        if(vis[x.first]) continue;  
22.        vis[x.first] = 1;  
23.        if(x.first == 0)  
24.        {  
25.            printf("%d\n", x.second);  
26.            break;  
27.        }  
28.        q.push_front(make_pair(x.first*10 % k, x.second));  
29.        q.push_back(make_pair((x.first+1) % k, x.second+1));  
30.   
31.    }  
32.    return 0;  
33.}  


Compiler output:
a.cc:2:3: error: stray '#' in program
    2 | 2.#include<algorithm>
      |   ^
a.cc:3:3: error: stray '#' in program
    3 | 3.#include<string.h>
      |   ^
a.cc:4:3: error: stray '#' in program
    4 | 4.#include<queue>
      |   ^
a.cc:2:1: error: expected unqualified-id before numeric constant
    2 | 2.#include<algorithm>
      | ^~
a.cc:6:1: error: expected unqualified-id before numeric constant
    6 | 6.
      | ^~
a.cc:8:1: error: expected unqualified-id before numeric constant
    8 | 8.typedef pair<int, int> P;
      | ^~~~~~~~~
a.cc:9:1: error: expected unqualified-id before numeric constant
    9 | 9.
      | ^~
Language: C++


#include <bits/stdc++.h>
using namespace std;
int sum[66666];
int kk=2,a=10,b=1;
int minx=0,minxx=0;

int main()
{
	for(int i=1;i<=10000;i++)  sum[i]=i;
	long long k;
	cin>>k;
	long long k2=k,ni,n,m;
	while(ni!=0)
	{
		ni/=10;
		int t=k%a/b;
		a*=10;b*=10;
		minx+=t;
	}
	if(minx==1)
	{
	cout<<minx<<endl;
	return 0;
	}
	a=10;b=1;
	n=k;
		while(kk!=1000)
	{
		n/=10;
		m=k2%a/b;
		a*=10;b*=10;
		minxx+=m;
		if(minxx>minx) {n=k*sum[kk++];a=10;b=1;k2=n;minxx=0;continue;}
		if(m>minx) {n=k*sum[kk++];a=10;b=1;k2=n;minxx=0;continue;}
		if(minx==1) break;
		if(n==0&&minxx<minx) {minx=minxx;n=k*sum[kk++];a=10;b=1;k2=n;minxx=0;continue;}
		if(n==0) {n=k*sum[kk++];a=10;b=1;k2=n;minxx=0;continue;}
		
	}
	
	

	
	cout<<minx<<endl;
	
	return 0;
}

李乐天 2018/5/29 14:40:59


Compiler output:
a.cc:50:1: error: '\U0000674e\U00004e50\U00005929' does not name a type
   50 | 李乐天 2018/5/29 14:40:59
      | ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
     int N,M;
  cin >> N >> M;
 
  vector<string> vec1(N); 
  vector<string> vec2(N);
  for (int i = 0; i < N; i++) {
    cin >> vec1.at(i);
  }
  for (int i = 0; i < N; i++) {
    cin >> vec2.at(i);
  }
  if (vec1 == vec2) {
    cout << "YES" << endl;
  }else{
      cout << "NO" << endl;
  }
 

Compiler output:
a.cc: In function 'int main()':
a.cc:20:4: error: expected '}' at end of input
   20 |   }
      |    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;
int main(void){
    char ca[3];
    char cb[3];
    cin >> ca;
    cin >> cb;
    if (ca[0] == cb[2]) {
      if (ca[1] == cb[1]) {
        if (ca[2] == cb[0]) {
          cout << "YES" << endl;
        } else {
          cout << "NO" << endl;
        }
      } else {
        cout << "NO" << endl;
      }
    } else {
      cout << "NO" << endl;
    }
} else {
  cout << "NO" << endl;
}


Compiler output:
a.cc:21:3: error: expected unqualified-id before 'else'
   21 | } else {
      |   ^~~~
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class ABC077A {
    char[][] css;

    public static void main(String args[]) {
        new ABC077A().run();
    }

    void run() {
        FastReader sc = new FastReader();
        css = new char[2][3];
        for (int i = 0; i < 2; i++) {
            css[i] = sc.next().toCharArray();
        }
        solve();
    }

    void solve() {
        if (css[0][0] == css[1][2] && css[0][1] == css[1][1] &&
                css[0][2] == css[2][0]) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }

    static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new
                    InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements())
            {
                try
                {
                    st = new StringTokenizer(br.readLine());
                }
                catch (IOException e)
                {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt()
        {
            return Integer.parseInt(next());
        }

        long nextLong()
        {
            return Long.parseLong(next());
        }

        double nextDouble()
        {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try
            {
                str = br.readLine();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
            return str;
        }
    }
}


Compiler output:
Main.java:6: error: class ABC077A is public, should be declared in a file named ABC077A.java
public class ABC077A {
       ^
1 error
Language: C++

#include <cstdio>
using namespace std;

int main(void){
  char c[8];
  scanf("%s", c);
  scanf("%s", c+3);
  puts(c[0]==c[5]&&c[1]==c[4]%%c[2]==c[3]?"Yes":"No");
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:31: error: expected primary-expression before '%' token
    8 |   puts(c[0]==c[5]&&c[1]==c[4]%%c[2]==c[3]?"Yes":"No");
      |                               ^
Language: C++

#include <iostream>
#include <cstdio>
using namespace std;
int main(){
    char a[4],b[4];
    bool tr=true;
    for(int i=1;i<=n;i++)
        cin>>a[i];
    for(int i=1;i<=3;i++){
        cin>>b[i];
        if(!(b[i]==a[4-i]))
            tr=false;
    }
    if(tr)cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:20: error: 'n' was not declared in this scope
    7 |     for(int i=1;i<=n;i++)
      |                    ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  string s,h;
  cin>>s>>h;
  
  if(s[0]==h[2]&&s[1]==h[1]&&s[2]==h[0])cout<<"YES<<endl;
  else cout<<"NO"<<endl;
}

Compiler output:
a.cc:7:47: warning: missing terminating " character
    7 |   if(s[0]==h[2]&&s[1]==h[1]&&s[2]==h[0])cout<<"YES<<endl;
      |                                               ^
a.cc:7:47: error: missing terminating " character
    7 |   if(s[0]==h[2]&&s[1]==h[1]&&s[2]==h[0])cout<<"YES<<endl;
      |                                               ^~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:8:3: error: expected primary-expression before 'else'
    8 |   else cout<<"NO"<<endl;
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
int main(){
  int a,b,c,d,e,f;
  cin>>a>>b>>c>>d>>e>>f;
  
  if(a==f&&b==e&&c==d){
    cout<<"YES"<<endl;
  }
  else{
    cout<<"NO"<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   cin>>a>>b>>c>>d>>e>>f;
      |   ^~~
      |   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:7:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     cout<<"YES"<<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:7:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |     cout<<"YES"<<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)
      |     ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<"NO"<<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:10:17: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |     cout<<"NO"<<endl;
      |                 ^~~~
      |                 std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
char s[100001],s1[100001];
int main()
{
    cin>>s>>s1;
    if(strlen(s)!=strlen(s1)) puts("NO");
    else
	{
        reverse(s1,s1+strlen(s1));
        if(!strncmp(s,s1,strlen(s))) puts("YES");
        else puts("NO");
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'strlen' was not declared in this scope
    9 |     if(strlen(s)!=strlen(s1)) puts("NO");
      |        ^~~~~~
a.cc:4:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    3 | #include<algorithm>
  +++ |+#include <cstring>
    4 | using namespace std;
a.cc:13:13: error: 'strncmp' was not declared in this scope
   13 |         if(!strncmp(s,s1,strlen(s))) puts("YES");
      |             ^~~~~~~
a.cc:13:13: note: 'strncmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <string>
#include <stdio.h>
using namespace std;

typedef long long ll;

#define min(a, b) (((a) < (b))? (a):(b))
#define max(a, b) (((a) > (b))? (a):(b))
#define REP(i, a, n) for(int i=(a); i<(n); i++)
#define rep(i, n) REP(i, 0, (n))
#define square(a) (a)*(a)
#define pb push_back

int n;
int main(){
    cin >> n;
    n = sqrt(n);
    cout << n*n << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:9: error: 'sqrt' was not declared in this scope
   21 |     n = sqrt(n);
      |         ^~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <string>
#include <stdio.h>
using namespace std;

typedef long long ll;

#define min(a, b) (((a) < (b))? (a):(b))
#define max(a, b) (((a) > (b))? (a):(b))
#define REP(i, a, n) for(int i=(a); i<(n); i++)
#define rep(i, n) REP(i, 0, (n))
#define square(a) (a)*(a)
#define pb push_back

int n;
int main(){
    cin >> n;
    rep(i,n){
        if(i*i>=n){
            int ans;
            ans = (i-1)*(i-1);
            break;
        }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <string>
#include <stdio.h>
using namespace std;

typedef long long ll;

#define min(a, b) (((a) < (b))? (a):(b))
#define max(a, b) (((a) > (b))? (a):(b))
#define REP(i, a, n) for(int i=(a); i<(n); i++)
#define rep(i, n) REP(i, 0, (n))
#define square(a) (a)*(a)
#define pb push_back

int n;
int main(){
    cin >> n;
    rep(i,n){
        if(i*i>=n){
            int ans = (i-1)*(i-1);
            break;
        }
    }
    cout << ans << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:27:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   27 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <string>
#include <stdio.h>
using namespace std;

typedef long long ll;

#define min(a, b) (((a) < (b))? (a):(b))
#define max(a, b) (((a) > (b))? (a):(b))
#define REP(i, a, n) for(int i=(a); i<(n); i++)
#define rep(i, n) REP(i, 0, (n))
#define square(a) (a)*(a)
#define pb push_back

int n;
int main(){
    cin >> n;
    if(n=1) cout << "1"<< endl;
    break;
    rep(i,n){
        if(i*i>n){
            cout << (i-1)*(i-1) << endl;
            break;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:5: error: break statement not within loop or switch
   22 |     break;
      |     ^~~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <string>
#include <stdio.h>
using namespace std;

typedef long long ll;

#define min(a, b) (((a) < (b))? (a):(b))
#define max(a, b) (((a) > (b))? (a):(b))
#define REP(i, a, n) for(int i=(a); i<(n); i++)
#define rep(i, n) REP(i, 0, (n))
#define square(a) (a)*(a)
#define pb push_back

int n;
int main(){
    cin >> n;
    for (i = 0;++i){
        if(i*i>n){
            cout << (i-1)*(i-1) << endl;
            break;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:10: error: 'i' was not declared in this scope
   21 |     for (i = 0;++i){
      |          ^
a.cc:21:19: error: expected ';' before ')' token
   21 |     for (i = 0;++i){
      |                   ^
      |                   ;
Language: C++

// ConsoleApplication10.cpp : アプリケーションのエントリ ポイントを定義します。
//
#include<iostream>
#include<cmath>
#include<vector>
#include<algorithm>
using namespace std;


int main()
{ 
	int N, M,x,y,j,ans,i,k,l,m,sum;
  cin >> N;
	vector<int> A(N);
	vector<int> B(N);
	vector<int> C(N);
	for (i = 0; i < N; i++) {
		cin >> A[i];
		cin >> B[i];
		cin >> C[i];
	}
	sum = 0;
	sort(A.begin(), A.end());
	sort(B.begin(), B.end());
	sort(C.begin(), C.end());
	for (i = 0; i < N; i++) {
		m = lower_bound(A.begin(), A.end(), B[i] - 1) - A.begin();
		l = upper_bound(C.begin(), C.end(), B[i] + 1) - C.begin();
			sum += m*l;
		}
	}
	cout << sum << endl;

		





    return 0;
}



Compiler output:
a.cc:32:9: error: 'cout' does not name a type
   32 |         cout << sum << endl;
      |         ^~~~
a.cc:40:5: error: expected unqualified-id before 'return'
   40 |     return 0;
      |     ^~~~~~
a.cc:41:1: error: expected declaration before '}' token
   41 | }
      | ^
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>
#include<cmath>
using namespace std;
int main(){
    str s1,s2;
    cin >> s1 >> s2;
    if(s1[0]==s2[2]&&s1[1]==s2[1]&&s1[2]==s2[0])    cout << "YES";
    else    cout << "NO";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'str' was not declared in this scope; did you mean 'std'?
    7 |     str s1,s2;
      |     ^~~
      |     std
a.cc:8:12: error: 's1' was not declared in this scope; did you mean 'y1'?
    8 |     cin >> s1 >> s2;
      |            ^~
      |            y1
a.cc:8:18: error: 's2' was not declared in this scope
    8 |     cin >> s1 >> s2;
      |                  ^~
Language: Java

import java.util.*;
public class ABC089A {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// // 整数の入力
		// int a = sc.nextInt();
		// // スペース区切りの整数の入力
		// int b = sc.nextInt();
		// int c = sc.nextInt();
		// // 文字列の入力
		// String s = sc.next();
		// // 出力
    // System.out.println((a+b+c) + " " + s);
		String up = sc.next();
		String down = sc.next();
		if (up.charAt(0) == down.charAt(2) && up.charAt(1) == down.charAt(1) && up.charAt(2) == down.charAt(0)) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	}
}

Compiler output:
Main.java:2: error: class ABC089A is public, should be declared in a file named ABC089A.java
public class ABC089A {
       ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main(){
	char C[2][3], i, j;
	for(i=0;i<2;i++){
		cin >> c[i][0] >> c[i][1] >> c[i][2];
	}
	if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]) cout << "YES";
	else cout << "NO";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:24: error: 'c' was not declared in this scope
    7 |                 cin >> c[i][0] >> c[i][1] >> c[i][2];
      |                        ^
a.cc:9:12: error: 'c' was not declared in this scope
    9 |         if(c[0][0]==c[1][2]&&c[0][1]==c[1][1]&&c[0][2]==c[1][0]) cout << "YES";
      |            ^
Language: Java

import java.util.*;
public class Main{
    public static void main(String[]args){  
    Scanner sc=new Scanner(System.in);
    String[][]C=new String[2][3];
    String N=sc.next();
    String X=sc.next();
    for(int j=0;j<3;j++){
        C[0][j]=N.charAt(j);
        C[1][j]=X.charAt(j);
    }
    String[][]D=new String[2][3];
    D[0][0]=C[1][2];
    D[0][1]=C[1][1];
    D[0][2]=C[1][0];
    D[1][0]=C[0][2];
    D[1][1]=C[0][1];
    D[1][2]=C[0][0];
    if(C==D){
        System.out.println("YES");
    }else{
        System.out.println("NO");
    }
    
    
    
    }
}

Compiler output:
Main.java:9: error: incompatible types: char cannot be converted to String
        C[0][j]=N.charAt(j);
                        ^
Main.java:10: error: incompatible types: char cannot be converted to String
        C[1][j]=X.charAt(j);
                        ^
2 errors
Language: Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String first = scan.next();
		String second = scan.next();

		char[] f = first.toCharArray();
		char[] s = second.toCharArray();
		if(f[1]==s[1]){
			if(f[0] == s[2] && f[2] == s[0]){
				System.out.println("YES");
			}else{
				System.out.println("NO");
			}}else{
				System.out.println("NO");
			}

	}


Compiler output:
Main.java:21: error: reached end of file while parsing
	}
	 ^
1 error
Language: Java

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String first = scan.next();
        String second = scan.next();

        char[] f = first.toCharArray();
        char[] s = second.toCharArray();
       if(f[1]==s[1]){
            if(f[0] == s[2] && f[2] == s[0]){
                System.out.println("YES");
            }
        }else{
            System.out.println("NO");
        }
        }else{
            System.out.println("NO");
        }

    }

}

Compiler output:
Main.java:19: error: illegal start of type
        }else{
         ^
Main.java:25: error: class, interface, enum, or record expected
}
^
2 errors
Language: C++

#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define INF (1<<30)
#define INFLL (1ll<<60)
typedef pair<int, int> PII;
#define MOD (1000000007ll)

int main(void){
	string c[2];
	cin >> c[0];
	cin >> c[1];
	c[1].reverse();
	cout << ((c[0]==c[1])?"YES":"NO") << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reverse'; did you mean 'reserve'?
   13 |         c[1].reverse();
      |              ^~~~~~~
      |              reserve
Language: C++

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

int main(){
    char a[6],b[6];
    scanf("%s",a);
    scanf("%s",b);
    strrev(a);
    if(strcmp(a,b)==0) printf("Yes\n");
    else printf("No\n");
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'strrev' was not declared in this scope; did you mean 'strsep'?
    8 |     strrev(a);
      |     ^~~~~~
      |     strsep
Language: C

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

int main(){
    char a[6],b[6];
    scanf("%s",a);
    scanf("%s",b);
    strrev(a);
    if(strcmp(a,b)==0) printf("Yes\n");
    else printf("No\n");
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:8:5: error: implicit declaration of function 'strrev'; did you mean 'strsep'? [-Wimplicit-function-declaration]
    8 |     strrev(a);
      |     ^~~~~~
      |     strsep
Language: C++

#include <iostream>
using namespace std;

int main() {

  string s1, s2;
  cin >> s1 >> s2;
  reverse(s1.begin(), s1.end());
  if(s1 == s2) cout << "YES" << endl;
  else cout << "NO" << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'reverse' was not declared in this scope
    8 |   reverse(s1.begin(), s1.end());
      |   ^~~~~~~
Language: C++

#include 
using namespace std;
int main()
{
  string first,second;
  cin >> first >> second;
  string answer = "YES";
  for(int i = 0; i < 3; ++i){
    if(first[i] != second[2-i]) answer = "NO";
  }
  cout << answer << endl;
  return 0;
}

Compiler output:
a.cc:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include
      |          ^
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string first,second;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #include
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> first >> second;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #include
a.cc:6:10: error: 'first' was not declared in this scope
    6 |   cin >> first >> second;
      |          ^~~~~
a.cc:6:19: error: 'second' was not declared in this scope
    6 |   cin >> first >> second;
      |                   ^~~~~~
a.cc:7:9: error: expected ';' before 'answer'
    7 |   string answer = "YES";
      |         ^~~~~~~
      |         ;
a.cc:9:33: error: 'answer' was not declared in this scope
    9 |     if(first[i] != second[2-i]) answer = "NO";
      |                                 ^~~~~~
a.cc:11:3: error: 'cout' was not declared in this scope
   11 |   cout << answer << endl;
      |   ^~~~
a.cc:11:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:11:11: error: 'answer' was not declared in this scope
   11 |   cout << answer << endl;
      |           ^~~~~~
a.cc:11:21: error: 'endl' was not declared in this scope
   11 |   cout << answer << endl;
      |                     ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #include
Language: Java

import java.util.Scanner;
 
public class Main {
 
	public static void main(String[] args) {
 
		Scanner sc =  new Scanner(System.in);
		
		String a = sc.next();
		String b = sc.next();
		
		int count = 0;
		int ans = 0;
		
	if(a.charAt(0) == b.charAt(2)){
		count++;
	}
	if(a.charAt(1) == b.charAt(1)){
		count++;
	}
	if(a.charAt(2) == b.charAt(0)){
		count++;
	}
	if(count == 3){
		System.out.println("YES");
	}else
		System.out.println("NO");
	
	}
}
}

Compiler output:
Main.java:31: error: class, interface, enum, or record expected
}
^
1 error
Language: C++

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc =  new Scanner(System.in);
		
		String a = sc.next();
		String b = sc.next();
		
		int count = 0;
		int ans = 0;
		
	if(a.charAt(0) == b.charAt(2)){
		count++;
	}
	if(a.charAt(1) == b.charAt(1)){
		count++;
	}
	if(a.charAt(2) == b.charAt(0)){
		count++;
	}
	if(count == 3){
		System.out.println("YES");
	}else
		System.out.println("NO");
	
	}
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

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

int main(){
  string s1,s2;
  cin>>s1;
  cin>>s2;
  revers(s2.begin(),s2.end());
  if(s1==s2){
    cout<<"YES"<<endl;
  }else{
    cout<<"NO"<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'revers' was not declared in this scope
    8 |   revers(s2.begin(),s2.end());
      |   ^~~~~~
Language: C

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

int main(){
  char *C[2];
  for(int i = 0; i < 2; i++){
    scanf_f("%s", C[i]);
  }
  for(int i = 0; i < 3; i++){
    if(C[0][i] != C[1][3 - i]){
      printf("NO\n");
      exit(0);
    }
  }
  printf("YES\n");
  return 0;
  

Compiler output:
main.c: In function 'main':
main.c:7:5: error: implicit declaration of function 'scanf_f'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    7 |     scanf_f("%s", C[i]);
      |     ^~~~~~~
      |     scanf
main.c:16:3: error: expected declaration or statement at end of input
   16 |   return 0;
      |   ^~~~~~
Language: C

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

int main(){
  char *C[2];
  for(int i = 0; i < 2; i++){
    scanf("%s", C[i]);
  }
  for(int i = 0; i < 3; i++){
    if(C[0][i] != C[1][3 - i]){
      printf("NO\n");
      exit(0);
    }
  }
  printf("YES\n");
  return 0;
  

Compiler output:
main.c: In function 'main':
main.c:16:3: error: expected declaration or statement at end of input
   16 |   return 0;
      |   ^~~~~~
Language: C++

#include<bits/stdc++.h>
#define range(i,a,b) for(int i = (a); i < (b); i++)
#define rep(i,b) for(int i = 0; i < (b); i++)
#define all(a) (a).begin(), (a).end()
#define show(x)  cerr << #x << " = " << (x) << endl;
//const int INF = 1e8;
using namespace std;

int main(){
	string s, t;
	cin >> s >> t;
	rep(i,3){
		if(s[i] != t[2 - i]){
			cout << "NO" << endl;
			return 0;
		}
	}
	cout << "YES" << endl
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:30: error: expected ';' before '}' token
   18 |         cout << "YES" << endl
      |                              ^
      |                              ;
   19 | }
      | ~
Language: C++

#include<iostream>
#include<vector>
#include<cstdio>
#include<algorithm>
#include<queue>
#include<string>
#include<set>
#include<tuple>
#include<map>
#define REP(i,n) for(int i=0;i<(n);i++)
#define REPS(i,f,n) for(int i=(f);i<(n);i++)
#define all(v) (v).begin(),(v).end()
int dy[4] = { 1,0,-1,0 }, dx[4] = { 0,1,0,-1 };
int dy_8[8] = { -1,-1,-1,0,0,1,1,1 }, dx_8[8] = { -1,0,1,-1,1,-1,0,1 };
static const int INF = 1 << 21;
static const int mod = 1e9+7;
static const int MAX = 10000;
using namespace std;
typedef long long ll;
typedef tuple<ll, int, int> llT;
typedef pair<int, int> P;
typedef pair<ll, int> llP;
typedef vector<ll> llV;
typedef vector<vector<int> > mat;
map<mat, int> memo;//二次元行列をmapに入れることにより配列の状況再現ができる、そのまま[2][3]に〇があって[1][2]が×とか配列の状況での得点
//////////////////////////////////////////////////////////////


int N;
int main() {
	cin >> N;
	int P = pow(10, 5) / N;
	vector<int> pre(P, 1);
	vector<int> prime;
	REPS(i, 2, sqrt(P)) {
		if (pre[i]) {
			for (int j = 0; i*(j + 2) < P; j++) {
				pre[i*(j + 2)] = 0;
			}
		}
	}
	REPS(i, 2, P) {
		if (pre[i]) {
			prime.push_back(i);
		}
	}
	prime.push_back(1);
	int dig;
	int ans = INF;
	REP(i, prime.size()) {
		int sum = 0;
		int num = N*prime[i];
		while (num) {
			dig =num%10;
			sum += dig;
			num = num / 10;
			
		}
		if (ans > sum) {
			ans = sum;
		}

	}
	printf("%d\n", ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:17: error: 'pow' was not declared in this scope
   32 |         int P = pow(10, 5) / N;
      |                 ^~~
a.cc:35:20: error: 'sqrt' was not declared in this scope
   35 |         REPS(i, 2, sqrt(P)) {
      |                    ^~~~
a.cc:11:38: note: in definition of macro 'REPS'
   11 | #define REPS(i,f,n) for(int i=(f);i<(n);i++)
      |                                      ^