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

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

int main(){
	int ans, a;
	char x[1];
	scanf("%d", &ans);
	while("%1s", &x[0]) != '='){
		if(x[0] == '=') break;
		scanf("%d", &a);
		if(x[0] == '+') ans += a;
		if(x[0] == '-') ans -= a;
		if(x[0] == '*') ans *= a;
		if(x[0] == '/') ans /= a;
	}
	printf("%d\n", ans);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:29: error: expected expression before '!=' token
    8 |         while("%1s", &x[0]) != '='){
      |                             ^~
main.c:8:35: error: expected statement before ')' token
    8 |         while("%1s", &x[0]) != '='){
      |                                   ^
main.c:9:33: error: break statement not within loop or switch
    9 |                 if(x[0] == '=') break;
      |                                 ^~~~~
Language: C

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

int main(){
	int ans, a;
	char x[1];
	scanf("%d", &ans);
	while("%s", &x) != '='){
		if(x[0] == '=') break;
		scanf("%d", &a);
		if(x[0] == '+') ans += a;
		if(x[0] == '-') ans -= a;
		if(x[0] == '*') ans *= a;
		if(x[0] == '/') ans /= a;
	}
	printf("%d\n", ans);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:25: error: expected expression before '!=' token
    8 |         while("%s", &x) != '='){
      |                         ^~
main.c:8:31: error: expected statement before ')' token
    8 |         while("%s", &x) != '='){
      |                               ^
main.c:9:33: error: break statement not within loop or switch
    9 |                 if(x[0] == '=') break;
      |                                 ^~~~~
Language: C

#include <iostream>
using namespace std;

int main(void){
    char c;
    int b,ans;
    
    cin >> ans;
    while(true){
        cin >> c;
        
        if(c == '=') break;
        cin >> b;
        switch(c){
            case '+':
                ans += b;
                break;
                
            case '-':
                ans -= b;
                break;
                
            case '*':
                ans *= b;
                break;
                
            case '/':
                ans /= b;
                break;
        }
    }
    cout << ans << endl;
    
    return 0;
}

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

#include<stdio.h>
#include<iostream>
#include<string>
#include<algorithm>
#include <vector>

using namespace std;

int main(){

int x;
int a=0;
string G;
cin>>x;
a=x;
while(1){
cin>>G;
if(G=="=")break;
cin>>x;


ifG=="+")a+=x;
ifG=="-")a-=x;
ifG=="/")a/=x;
ifG=="*")a*=x;
}
cout<<a<<endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:1: error: 'ifG' was not declared in this scope
   22 | ifG=="+")a+=x;
      | ^~~
Language: C++

import std.stdio;
import std.string;
import std.conv;
import std.array;

void main() {
	string s;
	string op = "+";
	int res = 0;
	while(1) {
		s = readln();
		int a = to!int(chomp(s));

		if(op[0] == '+')
			res += a;
		else if(op[0] == '-')
			res -= a;
		else if(op[0] == '*')
			res *= a;
		else
			res /= a;

		op = readln();
		if(op[0] == '=')
			break;
	}

	writeln(res);
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import std.stdio;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import std.string;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import std.conv;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: 'import' does not name a type
    4 | import std.array;
      | ^~~~~~
a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:6:1: error: '::main' must return 'int'
    6 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:7:9: error: 'string' was not declared in this scope
    7 |         string s;
      |         ^~~~~~
a.cc:8:15: error: expected ';' before 'op'
    8 |         string op = "+";
      |               ^~~
      |               ;
a.cc:11:17: error: 's' was not declared in this scope
   11 |                 s = readln();
      |                 ^
a.cc:11:21: error: 'readln' was not declared in this scope
   11 |                 s = readln();
      |                     ^~~~~~
a.cc:12:25: error: 'to' was not declared in this scope
   12 |                 int a = to!int(chomp(s));
      |                         ^~
a.cc:14:20: error: 'op' was not declared in this scope
   14 |                 if(op[0] == '+')
      |                    ^~
a.cc:23:17: error: 'op' was not declared in this scope
   23 |                 op = readln();
      |                 ^~
a.cc:28:9: error: 'writeln' was not declared in this scope
   28 |         writeln(res);
      |         ^~~~~~~
Language: C++

#include <stdio.h>
int main(){
  int a,b;
  char s[10];

  scanf("%d",&a);
  while(1){
    scanf("%s",s);
    if ( strcmp(s, "=") == 0 )break;
    scanf("%d",&b);
    if ( strcmp(s, "+") == 0 ) a+=b;
    if ( strcmp(s, "-") == 0 ) a-=b;
    if ( strcmp(s, "*") == 0 ) a*=b;
    if ( strcmp(s, "/") == 0 ) a/=b;
  }
  
  printf("%d\n",a);

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:10: error: 'strcmp' was not declared in this scope
    9 |     if ( strcmp(s, "=") == 0 )break;
      |          ^~~~~~
a.cc:2:1: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <stdio.h>
  +++ |+#include <cstring>
    2 | int main(){
a.cc:11:10: error: 'strcmp' was not declared in this scope
   11 |     if ( strcmp(s, "+") == 0 ) a+=b;
      |          ^~~~~~
a.cc:11:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:12:10: error: 'strcmp' was not declared in this scope
   12 |     if ( strcmp(s, "-") == 0 ) a-=b;
      |          ^~~~~~
a.cc:12:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:13:10: error: 'strcmp' was not declared in this scope
   13 |     if ( strcmp(s, "*") == 0 ) a*=b;
      |          ^~~~~~
a.cc:13:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:14:10: error: 'strcmp' was not declared in this scope
   14 |     if ( strcmp(s, "/") == 0 ) a/=b;
      |          ^~~~~~
a.cc:14:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
Language: C++

#include <stdio.h>
int main(){
  int a,b;
  char s[10];

  scanf("%d",&a);
  while(1){
    scanf("%s",&s);
    if ( strcmp(s, "=") == 0 )break;
    scanf("%d",&b);
    if ( strcmp(s, "+") == 0 ) a+=b;
    if ( strcmp(s, "-") == 0 ) a-=b;
    if ( strcmp(s, "*") == 0 ) a*=b;
    if ( strcmp(s, "/") == 0 ) a/=b;
  }
  
  printf("%d\n",a);

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:10: error: 'strcmp' was not declared in this scope
    9 |     if ( strcmp(s, "=") == 0 )break;
      |          ^~~~~~
a.cc:2:1: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <stdio.h>
  +++ |+#include <cstring>
    2 | int main(){
a.cc:11:10: error: 'strcmp' was not declared in this scope
   11 |     if ( strcmp(s, "+") == 0 ) a+=b;
      |          ^~~~~~
a.cc:11:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:12:10: error: 'strcmp' was not declared in this scope
   12 |     if ( strcmp(s, "-") == 0 ) a-=b;
      |          ^~~~~~
a.cc:12:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:13:10: error: 'strcmp' was not declared in this scope
   13 |     if ( strcmp(s, "*") == 0 ) a*=b;
      |          ^~~~~~
a.cc:13:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:14:10: error: 'strcmp' was not declared in this scope
   14 |     if ( strcmp(s, "/") == 0 ) a/=b;
      |          ^~~~~~
a.cc:14:10: note: 'strcmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
Language: C++

#include<stdio.h>
int main(void)
{
  int a,b;
  char *c;
  scanf("%d",&a);
  while(1){
    scanf("%c",&c);
    if(c=='=')break;
    scanf("%d",&b);
    if(c=='+'){a=a+b;}
      else if(c=='-'){a=a-b;}
	else if(c=='*'){a=a*b;}
	  else if(c=='/'){a=a/b;}
  }
  printf("%d\n",a);
  return 0;
}
 

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     if(c=='=')break;
      |        ~^~~~~
a.cc:11:9: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |     if(c=='+'){a=a+b;}
      |        ~^~~~~
a.cc:12:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   12 |       else if(c=='-'){a=a-b;}
      |               ~^~~~~
a.cc:13:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |         else if(c=='*'){a=a*b;}
      |                 ~^~~~~
a.cc:14:20: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |           else if(c=='/'){a=a/b;}
      |                   ~^~~~~
Language: C++

import sys
def line():return sys.stdin.readline().strip()

e=""
ans=0
while True:
    try:
        temp = line()
        if temp=="/":
            e+="//"
        elif temp=="*":
            e+="*"
        elif temp=="+":
            e+="+"
        elif temp=="-":
            e+="-"
        elif temp=="=":
            print(eval(e))
            break
        else:
            e+=temp
            ans=eval(e)
            e=str(ans)            
    except:
        break

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include <iostream>
using namespace std;
int main(){
	int ans;
	cin >> ans;
	char s [10];
	int n = 0;
	while (true){
		cin >> s;
		if (s[0] == "="){ break; }
		else if (s[0] == "+"){
			ans += n;
		}
		else if (s[0] == "-"){
			ans -= n;
		}
		else if (s[0] == "*"){
			ans *= n;
		}
		else if (s[0] == "/"){
			ans /= n;
		}
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |                 if (s[0] == "="){ break; }
      |                     ~~~~~^~~~~~
a.cc:11:31: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |                 else if (s[0] == "+"){
      |                          ~~~~~^~~~~~
a.cc:14:31: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |                 else if (s[0] == "-"){
      |                          ~~~~~^~~~~~
a.cc:17:31: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |                 else if (s[0] == "*"){
      |                          ~~~~~^~~~~~
a.cc:20:31: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   20 |                 else if (s[0] == "/"){
      |                          ~~~~~^~~~~~
Language: C++

#include <iostream>
using namespace std;
int main(){
	int ans;
	cin >> ans;
	char *s = "a";
	int n = 0;
	ans = n;
	while (true){
		scanf_s("%c", &s);
		if (s == "="){ break; }
		else if (s == "+"){
			cin >> n;
			ans += n;
		}
		else if (s == "-"){
			cin >> n;
			ans -= n;
		}
		else if (s == "*"){
			cin >> n;
			ans *= n;
		}
		else if (s == "/"){
			cin >> n;
			ans /= n;
		}
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:19: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
    6 |         char *s = "a";
      |                   ^~~
a.cc:10:17: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   10 |                 scanf_s("%c", &s);
      |                 ^~~~~~~
      |                 scanf
Language: C++

#include<iostream>
using namespace std;
int main(){
	int a;
	char b;
	int c;
	for(int i=0;i<10;i++){
		cin>>a>>b;
		if (b=="="){
			break;
		}
		else if(b=="+");{
			c+=a;
		}
		else if(b=="-");{
			c-=a;
		}
		else if(b=="*");{
			c*=a;
		}
		else if(b=="/");{
			c/=a;
		}
	}
	cout<<c<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |                 if (b=="="){
      |                     ~^~~~~
a.cc:12:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   12 |                 else if(b=="+");{
      |                         ~^~~~~
a.cc:15:17: error: 'else' without a previous 'if'
   15 |                 else if(b=="-");{
      |                 ^~~~
a.cc:15:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   15 |                 else if(b=="-");{
      |                         ~^~~~~
a.cc:18:17: error: 'else' without a previous 'if'
   18 |                 else if(b=="*");{
      |                 ^~~~
a.cc:18:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   18 |                 else if(b=="*");{
      |                         ~^~~~~
a.cc:21:17: error: 'else' without a previous 'if'
   21 |                 else if(b=="/");{
      |                 ^~~~
a.cc:21:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   21 |                 else if(b=="/");{
      |                         ~^~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int a;
	char b;
	int ans;
	while(true){
		cin>>b;
		cin>>a;
		if (b=="="){cout<<ans<<endl;}
		else if(b=="+");{ans+=a;}
		else if(b=="-");{ans-=a;}
		else if(b=="*");{c*=a;}
		else(b=="/");{ans/=a;}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |                 if (b=="="){cout<<ans<<endl;}
      |                     ~^~~~~
a.cc:11:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |                 else if(b=="+");{ans+=a;}
      |                         ~^~~~~
a.cc:12:17: error: 'else' without a previous 'if'
   12 |                 else if(b=="-");{ans-=a;}
      |                 ^~~~
a.cc:12:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   12 |                 else if(b=="-");{ans-=a;}
      |                         ~^~~~~
a.cc:13:17: error: 'else' without a previous 'if'
   13 |                 else if(b=="*");{c*=a;}
      |                 ^~~~
a.cc:13:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |                 else if(b=="*");{c*=a;}
      |                         ~^~~~~
a.cc:13:34: error: 'c' was not declared in this scope
   13 |                 else if(b=="*");{c*=a;}
      |                                  ^
a.cc:14:17: error: 'else' without a previous 'if'
   14 |                 else(b=="/");{ans/=a;}
      |                 ^~~~
a.cc:14:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |                 else(b=="/");{ans/=a;}
      |                      ~^~~~~
Language: C++

using namespace std;
int main(){
  int a=0;
  string b;
  cin>>a;
  while(1){
    cin>>b;
    if(b=="=") break;
    int x;
    cin>>x;
    if(b=="+") a+=x;
    else if(b=="-") a-=x;
    else if(b=="/") a/=x;
    else if(b=="*") a*=x;
  }
  cout<<a<<endl;
  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'string' was not declared in this scope
    4 |   string b;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin>>a;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:7:10: error: 'b' was not declared in this scope
    7 |     cin>>b;
      |          ^
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout<<a<<endl;
      |   ^~~~
a.cc:16:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:12: error: 'endl' was not declared in this scope
   16 |   cout<<a<<endl;
      |            ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

#include<bits/stdc++.h>

using namespace std;


int main(){

int num1,num2,ans;

for(string mark;mark==¨=¨;){
cin>>num1;
cin>>mark;
cin>>num2;

ans=num1,mark,num2;
}

cout<<ans<<endl;

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:23: error: '\U000000a8' was not declared in this scope
   10 | for(string mark;mark==¨=¨;){
      |                       ^
Language: C++

#include<bits/stdc++.h>

using namespace std;


int main(){

int num1,num2,ans;
string mark1,mark2;

while(1){


cin>>num1;
cin>>mark1;
cin>>num2;
cin>>mark2;

if(mark2 == ¨=¨)break;

ans=ans,mark2,num1,mark1,num2;
}

cout<<ans<<endl;

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:13: error: '\U000000a8' was not declared in this scope
   19 | if(mark2 == ¨=¨)break;
      |             ^
Language: C++

#include<bits/stdc++.h>

using namespace std;


int main(){

int num,ans;
string mark1,mark2;


cin>>ans;

while(1){


cin>>mark1;
cin>>num;
cin>>mark2;

if(mark1 == ¨=¨)break;
if(mark2 == ¨=¨)break;

if(mark1 == ¨+¨)
ans=ans+num;

if(mark1 == ¨-¨)
ans=ans-num;

if(mark1 == ¨*¨)
ans=ans*num;

if(mark1 == ¨/¨)
ans=ans/num;

}

cout<<ans<<endl;

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:13: error: '\U000000a8' was not declared in this scope
   21 | if(mark1 == ¨=¨)break;
      |             ^
a.cc:22:13: error: '\U000000a8' was not declared in this scope
   22 | if(mark2 == ¨=¨)break;
      |             ^
a.cc:24:13: error: '\U000000a8' was not declared in this scope
   24 | if(mark1 == ¨+¨)
      |             ^
a.cc:27:13: error: '\U000000a8' was not declared in this scope
   27 | if(mark1 == ¨-¨)
      |             ^
a.cc:30:13: error: '\U000000a8' was not declared in this scope
   30 | if(mark1 == ¨*¨)
      |             ^
a.cc:33:13: error: '\U000000a8' was not declared in this scope
   33 | if(mark1 == ¨/¨)
      |             ^
Language: C++

#include<bits/stdc++.h>

using namespace std;


int main(){

int num,ans;
char mark1,mark2;


cin>>ans;

while(1){


cin>>mark1;
cin>>num;
cin>>mark2;

if(mark1 == ¨=¨)break;
if(mark2 == ¨=¨)break;

if(mark1 == ¨+¨)
ans=ans+num;

if(mark1 == ¨-¨)
ans=ans-num;

if(mark1 == ¨*¨)
ans=ans*num;

if(mark1 == ¨/¨)
ans=ans/num;

}

cout<<ans<<endl;

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:13: error: '\U000000a8' was not declared in this scope
   21 | if(mark1 == ¨=¨)break;
      |             ^
a.cc:22:13: error: '\U000000a8' was not declared in this scope
   22 | if(mark2 == ¨=¨)break;
      |             ^
a.cc:24:13: error: '\U000000a8' was not declared in this scope
   24 | if(mark1 == ¨+¨)
      |             ^
a.cc:27:13: error: '\U000000a8' was not declared in this scope
   27 | if(mark1 == ¨-¨)
      |             ^
a.cc:30:13: error: '\U000000a8' was not declared in this scope
   30 | if(mark1 == ¨*¨)
      |             ^
a.cc:33:13: error: '\U000000a8' was not declared in this scope
   33 | if(mark1 == ¨/¨)
      |             ^
Language: C++

#include<bits/stdc++.h>

using namespace std;


int main(){

int num,ans;
char mark;


cin>>ans;

while(1){


cin>>mark;
cin>>num;

if(mark == ¨=¨)break;

if(mark == ¨+¨)
ans=ans+num;

if(mark == ¨-¨)
ans=ans-num;

if(mark == ¨*¨)
ans=ans*num;

if(mark == ¨/¨)
ans=ans/num;

}

cout<<ans<<endl;

return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:12: error: '\U000000a8' was not declared in this scope
   20 | if(mark == ¨=¨)break;
      |            ^
a.cc:22:12: error: '\U000000a8' was not declared in this scope
   22 | if(mark == ¨+¨)
      |            ^
a.cc:25:12: error: '\U000000a8' was not declared in this scope
   25 | if(mark == ¨-¨)
      |            ^
a.cc:28:12: error: '\U000000a8' was not declared in this scope
   28 | if(mark == ¨*¨)
      |            ^
a.cc:31:12: error: '\U000000a8' was not declared in this scope
   31 | if(mark == ¨/¨)
      |            ^
Language: C++

#include<iostream>
using namespace std;
int main() {
	int a,b;
	char op;
	cin>>op;
	while(true){
		cin>>op;
		if(op == '='){cout<<a<<endl;break;}
		cin>>b;
		if(op == '+'){a += a;}
		if(op == '-'){a -= a;}
		if(op == '*'){a *= a;}
		if(op == '/'){a /= a;}
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:3:12: note: to match this '{'
    3 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;

int a,b; char op;
int main() {	
	cin>>a;
	while(true){
		cin>>op;
		if(op == '='){cout<<a<<endl;break;}
		cin>>b;
		if(op == '+'){a += a;}
		if(op == '-'){a -= a;}
		if(op == '*'){a *= a;}
		if(op == '/'){a /= a;}
return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;

int a,b; char op;
int main() {	
	cin>>a;
	while(true){
		cin>>op;
		if(op == '='){cout<< a <<endl;break;}
		cin>>b;
		if(op == '+'){ a += a; }
		if(op == '-'){ a -= a; }
		if(op == '*'){ a *= a; }
		if(op == '/'){ a /= a; }
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;

int a,b; char op;
int main() {	
	cin>>a;
	while(true){
		cin>>op;
		if(op == '='){cout<< a <<endl; break;}
		cin>>b;
		if(op == '+'){ b += b; }
		if(op == '-'){ b -= b; }
		if(op == '*'){ b *= b; }
		if(op == '/'){ b /= b; }
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;

int a,b; char op;
int main() {	
	cin>>a;
	while(true){
		cin>>op;
		if(op == '='){cout<< a <<endl; break;}
		cin>>b;
		if(op == '+'){ a += b; }
		if(op == '-'){ a -= b; }
		if(op == '*'){ a *= b; }
		if(op == '/'){ a /= b; }
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;

int a,b; char op;
int main() {	
	cin>>a;
	while(true){
		cin>>op;
		if(op == '='){cout<< a <<endl; break;}
		cin>>b;
		if(op == '+'){ a += b; }
		if(op == '-'){ a -= b; }
		if(op == '*'){ a *= b; }
		if(op == '/'){ a /= b; }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C

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

struct E{char n[6];int c;} e[100000000],t;
int N,p,i,j;
int cmp(const void *a,const void *b)
{
	struct E *x=(E*)a,*y=(E*)b;

	
	return strlen(x->n)-strlen(y->n)==0?strcmp(x->n,y->n):strlen(x->n)-strlen(y->n);
}

int main()
{
	scanf("%d\n",&N);
	for(i=0;i<N;i++)
	{
		scanf("%s%d\n",t.n,&t.c);
		for(j=0;j<p;j++)
		{
			if(strcmp(e[j].n,t.n))continue;
			e[j].c+=t.c;
			break;
		}
		if(j==p)
			e[p++]=t;
	}
	qsort(e,p,sizeof(E),cmp);
	for(i=0;i<p;i++)
		printf("%s %d\n",e[i].n,e[i].c);
	return 0;
}

Compiler output:
main.c: In function 'cmp':
main.c:9:22: error: 'E' undeclared (first use in this function)
    9 |         struct E *x=(E*)a,*y=(E*)b;
      |                      ^
main.c:9:22: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:24: error: expected expression before ')' token
    9 |         struct E *x=(E*)a,*y=(E*)b;
      |                        ^
main.c:12:36: error: 'y' undeclared (first use in this function)
   12 |         return strlen(x->n)-strlen(y->n)==0?strcmp(x->n,y->n):strlen(x->n)-strlen(y->n);
      |                                    ^
main.c: In function 'main':
main.c:30:26: error: 'E' undeclared (first use in this function)
   30 |         qsort(e,p,sizeof(E),cmp);
      |                          ^
Language: C++

#include<iostream>
#include<vector>
using namespace std;
typedef pair<string,int> P;
int n;
vector<P> p;
int main(){
  cin>>n;
  p.resize(n);
  for(int i=0;i<n;i++)
    cin>>p[i].first>>p[i].second;
  sort(p.begin(),p.end());
  for(int i=0;i<n;i++){
    if(i+1<n&&p[i].first==p[i+1].first){
      p[i+1].second+=p[i].second;
    }else{
      cout<<p[i].first<<' '<<p[i].second<<endl;
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   12 |   sort(p.begin(),p.end());
      |   ^~~~
      |   short
Language: C++

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

using namespace std;

char s[10];

int main()
{
	map<pair<int,string>,int> m;
	int n;
	scanf("%d",&n);
	for(int i = 0; i < n; i++)
	{
		int w;
		scanf("%s %d",s,&w);
		int l = strlen(s);
		if(m.end() != m.find(make_pair(l,s)))
		{
			m[make_pair(l,s)] += w;
		}
		else
		{
			m[make_pair(l,s)] = w;
		}
	}
	map<pair<int,string>,int>::iterator it = m.begin();
	while(it != m.end())
	{
		printf("%s %d\n",(*it).first.second.c_str(),(*it).second);
		it++;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:25: error: 'strlen' was not declared in this scope
   19 |                 int l = strlen(s);
      |                         ^~~~~~
a.cc:5:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    4 | #include <map>
  +++ |+#include <cstring>
    5 |
Language: C++

#include <iostream>
#include <vector>
#include <cstdio>
#include <map>
using namespace std;
#define rep(i,a) for(int i = 0 ; i < a ; i ++)

bool cmp(pair<string,int> a,pair<string,int> b){
  return (a.first.size()<b.first.size()?true:false);
}


int main(void){
  map<string,int> m;
  int n;
  string s;int c;
  cin>>n;
  rep(i,n){
    cin>>s>>c;
    m[s]+=c;
  }
  vector<pair<string,int> > w;
  for(map<string,int>::iterator it=m.begin();it!=m.end();it++){
    w.push_back(make_pair(it->first,it->second));
  }
  sort(w.begin(),w.end(),cmp);
  for(vector<pair<string,int> >::iterator it=w.begin();it!=w.end();it++){
    cout<<it->first<<" "<<it->second<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   26 |   sort(w.begin(),w.end(),cmp);
      |   ^~~~
      |   short
Language: C++

#include<iostream>
#include<vector>
#include<map>
#include<string>

using namespace std;

int main() {
    int n;
    map<string, int> products;
    vector<pair<string, int> > p;
    cin>>n;
    //vector<pair<string, int> > products;
    for (int i = 0; i < n; ++i) {
        string name;
        int num;
        cin>>name>>num;

        if (products[name] > 0) {
            products[name] += num;
        }
        else {
            products[name] = num;
        }
    }

    for (auto& e : products) {
        p.push_back(make_pair(e.first, e.second));
    }

    sort(p.begin(), p.end(), [](auto& lhs, auto& rhs) -> bool {
            if (lhs.first.size() < rhs.first.size()) return true;
            else if (lhs.first < rhs.first) return true;
            else return false;
            });


    for (auto& e : p) {
        cout<<e.first<<" "<<e.second<<endl;
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   31 |     sort(p.begin(), p.end(), [](auto& lhs, auto& rhs) -> bool {
      |     ^~~~
      |     short
Language: C++

#include<iostream>
#include<string>
#include<set>
#include<map>
using namespace std;
int main() {
	set<string>s;
	map<string, int>m;
	int n; cin >> n;
	for (int i = 0; i < n; i++) {
		string str, int k; cin >> str >> k;
		if (s.find(str) == s.end()) {
			s.insert(str);
			m[str] = k;
		}
		else m[str] += k;
	}
	for (auto i = s.begin(); i != s.end(); i++) {
		cout << *i << ' ' << m[*i] << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:29: error: expected unqualified-id before 'int'
   11 |                 string str, int k; cin >> str >> k;
      |                             ^~~
a.cc:11:50: error: 'k' was not declared in this scope
   11 |                 string str, int k; cin >> str >> k;
      |                                                  ^
Language: C++

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

using namespace std;

int main (void)
{
	int n,b[100],as[100];
	char a[100];
	
	cin >> n;
	for (int i = 0; i < n; i++)
	{
		cin >> a[i] >> b[i];
	}
	
	for (int i = 0; i < n; i++)
	{
		for (int j = i + 1; j < n; j++)
		{
			if (a[i] == a[j])
			{
				b[i] += b[j];
				a[j] = "";
			}
		}
	}
	
	for (int i = 0 ; i < n; i++)
	{
		as[i] = 1;
		for (int j = i + 1; j < n; j++)
		{
			if(a[i] != "")
			{
				if (a[i] < a[j])
				{
					as[i]++;
				}
			}
		}
		break;
	}
	
	for (int i = 0; i < n; i++)
	{
		if (a[i] != "")
		{
			if (as[i] == i + 1)
			{
				cout << a[i] << " " << b[i] << endl;
			}
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:40: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
   26 |                                 a[j] = "";
      |                                        ^~
      |                                        |
      |                                        const char*
a.cc:36:33: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   36 |                         if(a[i] != "")
      |                            ~~~~~^~~~~
a.cc:49:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   49 |                 if (a[i] != "")
      |                     ~~~~~^~~~~
Language: C++

#include<stdio.h>
#include <algorithm>
#include <cassert>
#include <cctype>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <iostream>
#include <iterator>
#include <list>
#include <map>     
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <iomanip>
#include <stack>
#include <string>
#include <vector>
using namespace std;
#define ll long long
#define ld long double
#define rep(a,t) for(int a=0;a<t;a++) 
#define forever while(true)
#define Sort(a) sort(a.begin(),a.end())
#define Reverse(a) reverse(a.begin(),a.end())
#define pb push_back
int main()
{
	cin.tie(0);
	ios::sync_with_stdio(false);
	map<string, int>a;
	int n;
	cin >> n;
	vector<string>find_;
	while (n--) {
		string p;
		int q;
		cin >> p >> q;
		a[p] += q;
		find_.pb(p);
	}
	Sort(find_);
	for (int i = 0; i < a.count; i++) {
		cout << find_[i] << " " << a[find_[i]] << endl;
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:48:27: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<'
   48 |         for (int i = 0; i < a.count; i++) {
      |                         ~ ^ ~~~~~~~
      |                         |     |
      |                         int   <unresolved overloaded function type>
Language: C++

#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
#include <cstring>
#include <deque>
#include <iomanip>
#include <limits>
#include <fstream>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
#define CLR(mat) memset(mat, 0, sizeof(mat))
typedef long long ll;
int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  map<string, int> mp;
  FOR(i,0,n){
      string s;
      int x;
      cin >> s >> x;
      mp[s] += x;
  }
  for(auto m : mp){
      cout << mp.first <<  " " << mp.second << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:18: error: 'class std::map<std::__cxx11::basic_string<char>, int>' has no member named 'first'
   38 |       cout << mp.first <<  " " << mp.second << endl;
      |                  ^~~~~
a.cc:38:38: error: 'class std::map<std::__cxx11::basic_string<char>, int>' has no member named 'second'
   38 |       cout << mp.first <<  " " << mp.second << endl;
      |                                      ^~~~~~
Language: C++

#include <map>
#include <cstdio>
#include <string>
#include <vector>
#include <iostream>

using namespace std;

bool cmp(const pair<string, int>& x, const pair<string, int>& y)
{
	if (x.first.size() < y.first.size()){
		return true;
	}
	return x.first < y.first;
}

int main()
{
	map<string, int> m;
	string pn;
	int n, c;

	scanf("%d", &n);
	
	for (int i = 0; i < n; i++){
		cin >> pn >> c;

		if (m.count(pn)) m[pn] += c;
		else m.insert(make_pair(pn, c));
	}

	vector< pair<string, int> > v;

	for (map<string, int>::iterator it = m.begin(); it != m.end(); it++){
		v.push_back(*it);
	}

	sort(v.begin(), v.end(), cmp);

	for (vector< pair<string, int> >::iterator it = v.begin(); it != v.end(); it++){
		cout << it->first << " " << it->second << endl;
	}

	return (0);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   38 |         sort(v.begin(), v.end(), cmp);
      |         ^~~~
      |         short
Language: C++

#include <iostream>
#include <map>
#include <string>
#include <vector>

using namespace std;

class S{
public:
  string s;
  int t;
  S(){}
  S(string s, int t): s(s), t(t) {}
  bool operator < (const S a) const {
    if(s.length() == a.s.length()) return s < a.s;
    return s.length() < a.s.length();
  }
};

main(){
  map<string, int> tmp;
  int n;
  cin >> n;
  for(int i=0;i<n;i++){
    string s;
    int t;
    cin >> s >> t;
    tmp[s] += t;
  }
  vector<S> ans;
  map<string, int>::iterator ite = tmp.begin();
  while(ite != tmp.end()){
    ans.push_back(S(ite->first, ite->second));
    ite++;
  }
  sort(ans.begin(), ans.end());
  for(int i=0;i<ans.size();i++) cout << ans[i].s << ' ' << ans[i].t << endl;
}

Compiler output:
a.cc:20:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   20 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:36:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   36 |   sort(ans.begin(), ans.end());
      |   ^~~~
      |   short
Language: C++

#include <cstdio>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
	int n;
	
	scanf("%d", &n);
	
	vector<pair<int, pair<string, int> > > v;
	for (int i = 0; i < n; i++){
		char pName[8];
		int num;
		scanf("%s %d", pName, num);
		v.push_back(make_pair(strlen(pName), make_pair((string)pName, num)));
	}
	
	sort(v.begin(), v.end());
	
	string lead = "$";
	int cnt = 0;
	for (int i = 0; i < n; i++){
		if (lead != v[i].second.first){
			if (lead != "$") printf("%s %d\n", lead.c_str(), cnt);
			lead = v[i].second.first;
			cnt = v[i].second.second;
		}
		else cnt += v[i].second.second;
	}
	return (!printf("%s %d\n", lead.c_str(), cnt));
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:39: error: 'strlen' was not declared in this scope
   19 |                 v.push_back(make_pair(strlen(pName), make_pair((string)pName, num)));
      |                                       ^~~~~~
a.cc:5:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    4 | #include <algorithm>
  +++ |+#include <cstring>
    5 |
Language: Java

#include<stdio.h>
int main(){
	int a;
	scanf("%d",&a);
	int ret=0;
	for(int i=0;i<a;i++){
		int b;
		scanf("%d",&b);
		b=b*2+1;
		bool ok=false;
		for(int j=1;(2*j+1)*(2*j+1)<=b;j++){
			if(b%(2*j+1)==0)ok=true;
		}
		if(!ok)ret++;
	}printf("%d\n",ret);
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include<stdio.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include<stdio.h>
        ^
Main.java:4: error: class, interface, enum, or record expected
	scanf("%d",&a);
	^
Main.java:5: error: unnamed classes are a preview feature and are disabled by default.
	int ret=0;
	^
  (use --enable-preview to enable unnamed classes)
Main.java:6: error: class, interface, enum, or record expected
	for(int i=0;i<a;i++){
	^
Main.java:6: error: class, interface, enum, or record expected
	for(int i=0;i<a;i++){
	            ^
Main.java:6: error: class, interface, enum, or record expected
	for(int i=0;i<a;i++){
	                ^
Main.java:8: error: class, interface, enum, or record expected
		scanf("%d",&b);
		^
Main.java:9: error: class, interface, enum, or record expected
		b=b*2+1;
		^
Main.java:11: error: class, interface, enum, or record expected
		for(int j=1;(2*j+1)*(2*j+1)<=b;j++){
		^
Main.java:11: error: class, interface, enum, or record expected
		for(int j=1;(2*j+1)*(2*j+1)<=b;j++){
		            ^
Main.java:11: error: class, interface, enum, or record expected
		for(int j=1;(2*j+1)*(2*j+1)<=b;j++){
		                               ^
Main.java:13: error: class, interface, enum, or record expected
		}
		^
Main.java:15: error: class, interface, enum, or record expected
	}printf("%d\n",ret);
	^
Main.java:16: error: class, interface, enum, or record expected
}
^
15 errors
Language: C++

#include <stdio.h>

int main()
{
int n;
scanf("%d",&n);
int all = 0;
for(int i = 0; i <  n; i++)
{
int q;
scanf("%d",&q);
bool w = true;
for(int j = 1; j <= (1 << 15))
{
if(0 == (q - j) % (j * 2 + 1))
{
w = false;
break;
}
}
if(w)
{
all++;
}
}
printf("%d\n",all);
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:30: error: expected ';' before ')' token
   13 | for(int j = 1; j <= (1 << 15))
      |                              ^
      |                              ;
Language: C++

#include <iostream>
using namespace std;
int main(){
  int n,s,cnt=0;
  cin >> n;
  for(int i=0;i<n;i++){
    cin >> s;
    int flag=0;
    for(int j=1;j<s;j++){
      if((s-j)%(2j+1)==0){
	if((s-j)/(2j+1)<s){
	  flag=1;
	  break;
	}
      }
    }
    if(flag==0) cnt++;
  }
  cout << cnt << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:15: error: invalid operands of types 'int' and '__complex__ int' to binary 'operator%'
   10 |       if((s-j)%(2j+1)==0){
      |          ~~~~~^~~~~~~
      |            |      |
      |            int    __complex__ int
a.cc:11:24: error: invalid operands of types '__complex__ int' and 'int' to binary 'operator<'
   11 |         if((s-j)/(2j+1)<s){
      |            ~~~~~~~~~~~~^~
      |                 |       |
      |                 |       int
      |                 __complex__ int
Language: C++

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

int n, x, sum;

int hantei(int p) {
	int v = max((int)sqrt(p) * 5, p);
	for (int i = 1; i <= sqrt(p); i++) {
		int a = p - i;
		if (a % (2 * i + 1) == 0 && a >= 1) {
			return 0;
		}
	}
	return 1;
}

int main() {
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> x;
		sum += hantei(x);
	}
	cout << sum << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int hantei(int)':
a.cc:8:26: error: 'sqrt' was not declared in this scope
    8 |         int v = max((int)sqrt(p) * 5, p);
      |                          ^~~~
Language: C++

#include <stdio.h>

inline bool check(int n)
{
    int rep = x > 100 ? 100 : x;
    
    for(int x = 1; x < rep; x++)
    {
        if((n - x) % (2 * x + 1) == 0)
        {
            return true;
        }
    }
    
    return false;
}

int main()
{
    int n, q, c = 0;
    
    scanf("%d", &q);
    
    for(int i = 0; i < q; i++)
    {
        scanf("%d", &n);
        
        c += check(n) ? 0 : 1;
    }
    
    printf("%d\n", c);
    
    return 0;
}

Compiler output:
a.cc: In function 'bool check(int)':
a.cc:5:15: error: 'x' was not declared in this scope
    5 |     int rep = x > 100 ? 100 : x;
      |               ^
Language: C++

#include <stdio.h>
#include <algorithm>

using namespace std;

inline bool check(int n)
{
    int rep = min(x, 100);
    
    for(int x = 1; x < rep; x++)
    {
        if((n - x) % (2 * x + 1) == 0)
        {
            return true;
        }
    }
    
    return false;
}

int main()
{
    int n, q, c = 0;
    
    scanf("%d", &q);
    
    for(int i = 0; i < q; i++)
    {
        scanf("%d", &n);
        
        c += check(n) ? 0 : 1;
    }
    
    printf("%d\n", c);
    
    return 0;
}

Compiler output:
a.cc: In function 'bool check(int)':
a.cc:8:19: error: 'x' was not declared in this scope
    8 |     int rep = min(x, 100);
      |                   ^
Language: C++

#include<iostream>
using namespace std;
bool f(long long a) {
  if(a % 2 =v 0) return false;
  for(long long i = 3; i *i <= a; i += 2)
    if(a % i == 0) return false;
  return true;
}

int main() {
  int n;
  cin >> n;
  int res=0;
  for(int i=0; i<n; i++j {
    long long a;
    cin a;
    if(f2ga+1)) res++;
  }
  cout << res << endl;
  return 0;
}


Compiler output:
a.cc: In function 'bool f(long long int)':
a.cc:4:13: error: 'v' was not declared in this scope
    4 |   if(a % 2 =v 0) return false;
      |             ^
a.cc:4:14: error: expected ')' before numeric constant
    4 |   if(a % 2 =v 0) return false;
      |     ~        ^~
      |              )
a.cc: In function 'int main()':
a.cc:14:24: error: expected ')' before 'j'
   14 |   for(int i=0; i<n; i++j {
      |      ~                 ^
      |                        )
a.cc:14:24: error: 'j' was not declared in this scope
Language: C++

#include<iostream>
using namespace std;
bool f(long long a) {
  if(a % 2 =v 0) return false;
  for(long long i = 3; i *i <= a; i += 2)
    if(a % i == 0) return false;
  return true;
}

int main() {
  int n;
  cin >> n;
  int res=0;
  for(int i=0; i<n; i++) {
    long long a;
    cin a;
    if(f2ga+1)) res++;
  }
  cout << res << endl;
  return 0;
}


Compiler output:
a.cc: In function 'bool f(long long int)':
a.cc:4:13: error: 'v' was not declared in this scope
    4 |   if(a % 2 =v 0) return false;
      |             ^
a.cc:4:14: error: expected ')' before numeric constant
    4 |   if(a % 2 =v 0) return false;
      |     ~        ^~
      |              )
a.cc: In function 'int main()':
a.cc:16:8: error: expected ';' before 'a'
   16 |     cin a;
      |        ^~
      |        ;
a.cc:17:8: error: 'f2ga' was not declared in this scope
   17 |     if(f2ga+1)) res++;
      |        ^~~~
a.cc:17:15: error: expected primary-expression before ')' token
   17 |     if(f2ga+1)) res++;
      |               ^
Language: C++

#include<iostream>
using namespace std;
bool f(long long a) {
  if(a % 2 =v 0) return false;
  for(long long i = 3; i *i <= a; i += 2)
    if(a % i == 0) return false;
  return true;
}

int main() {
  int n;
  cin >> n;
  int res=0;
  for(int i=0; i<n; i++j {
    long long a;
    cin a;
    if(f(a*2+1)) res++;
  }
  cout << res << endl;
  return 0;
}


Compiler output:
a.cc: In function 'bool f(long long int)':
a.cc:4:13: error: 'v' was not declared in this scope
    4 |   if(a % 2 =v 0) return false;
      |             ^
a.cc:4:14: error: expected ')' before numeric constant
    4 |   if(a % 2 =v 0) return false;
      |     ~        ^~
      |              )
a.cc: In function 'int main()':
a.cc:14:24: error: expected ')' before 'j'
   14 |   for(int i=0; i<n; i++j {
      |      ~                 ^
      |                        )
a.cc:14:24: error: 'j' was not declared in this scope
Language: C++

#include<iostream>
using namespace std;
bool f(long long a) {
  if(a % 2 =v 0) return false;
  for(long long i = 3; i *i <= a; i += 2)
    if(a % i == 0) return false;
  return true;
}
 
int main() {
  int n;
  cin >> n;
  int res=0;
  for(int i=0; i<n; i++) {
    long long a;
    cin a;
    if(f(a*2+1)) res++;
  }
  cout << res << endl;
  return 0;
}


Compiler output:
a.cc: In function 'bool f(long long int)':
a.cc:4:13: error: 'v' was not declared in this scope
    4 |   if(a % 2 =v 0) return false;
      |             ^
a.cc:4:14: error: expected ')' before numeric constant
    4 |   if(a % 2 =v 0) return false;
      |     ~        ^~
      |              )
a.cc: In function 'int main()':
a.cc:16:8: error: expected ';' before 'a'
   16 |     cin a;
      |        ^~
      |        ;
Language: C++

#include<iostream>
using namespace std;
bool f(long long a) {
  if(a % 2 == 0) return false;
  for(long long i = 3; i *i <= a; i += 2)
    if(a % i == 0) return false;
  return true;
}
  
int main() {
  int n;
  cin >> n;
  int res=0;
  for(int i=0; i<n; i++) {
    long long a;
    cin a;
    if(f(a*2+1)) res++;
  }
  cout << res << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:8: error: expected ';' before 'a'
   16 |     cin a;
      |        ^~
      |        ;
Language: C++

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

bool judge(long long int x,int n){
  if((n-x)%(2*x+1)==0){return true;}
  return false;
}



int main(){
  int count=0;
  int m;
  cin>>m;
  for(int t=0;t<m;t++){


    
  int n;
  cin>>n;
  if(n==0){break;}
  bool j=true;
  for(int x=1;x*x<=n;x++){
    if(judge(x,n)){j=false; break;}
  }
  if(j){count++;}



  }


  cout<<count<<endl;
  
    
  retur


Compiler output:
a.cc: In function 'int main()':
a.cc:36:3: error: 'retur' was not declared in this scope
   36 |   retur
      |   ^~~~~
a.cc:36:8: error: expected '}' at end of input
   36 |   retur
      |        ^
a.cc:11:11: note: to match this '{'
   11 | int main(){
      |           ^
Language: C++

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

bool judge(long long int x,int n){
  if((n-x)%(2*x+1)==0){return true;}
  return false;
}



int main(){
  int count=0;
  int m;
  cin>>m;
  for(int t=0;t<m;t++){


    
  int n;
  cin>>n;
  if(n==0){break;}
  bool j=true;
  for(int x=1;x*x<=n;x++){
    if(judge(x,n)){j=false; break;}
  }
  if(j){count++;}



  }


  cout<<count<<endl;
  
    
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:36:12: error: expected '}' at end of input
   36 |   return 0;
      |            ^
a.cc:11:11: note: to match this '{'
   11 | int main(){
      |           ^
Language: Java

import java.util.*;
import java.math.*;
import java.lang.*;
 
class Main{

	static Scanner sc = new Scanner(System.in);

    public static void main(String[] args){
    	int n=sc.nectInt();
    	int m=sc.nextInt();
    	int r=sc.nextInt();
    	r-=n*m;
    	if(r<0)System.out.println(0);
    	else {
    		BigInteger ans = new BigInteger("1");
    		 for(int i=0;i<n-1;i++) {
    			ans=ans.multiply(BigInteger.valueOf(r+n-i-1))
    				.divide(BigInteger.valueOf(i+1));
    		}
    		System.out.println(ans);
    	}
	}
}

Compiler output:
Main.java:10: error: cannot find symbol
    	int n=sc.nectInt();
    	        ^
  symbol:   method nectInt()
  location: variable sc of type Scanner
1 error