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

i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:1:3: error: type defaults to 'int' in declaration of 'r' [-Wimplicit-int]
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      |   ^
main.c:1:8: error: return type defaults to 'int' [-Wimplicit-int]
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      |        ^~~~
main.c: In function 'main':
main.c:1:8: error: type of 't' defaults to 'int' [-Wimplicit-int]
main.c:1:8: error: type of 'e' defaults to 'int' [-Wimplicit-int]
main.c:1:8: error: type of 'x' defaults to 'int' [-Wimplicit-int]
main.c:1:24: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      |                        ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
main.c:1:24: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      |                        ^~~~~
main.c:1:24: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:82: error: lvalue required as left operand of assignment
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      |                                                                                  ^
main.c:1:94: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | i,r=-1;main(t,e,x){for(scanf("%*d%d%d",&t,&e);~scanf("%d",&x);(t-e<=(t+e)/x*x)&&r=i+1,i++)r=!printf("%d\n",r);}
      |                                                                                              ^~~~~~
main.c:1:94: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:94: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:1:94: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include <stdio.h>

int main(void)
{
	int n, t, e;
	int x[100];
	int i;
	int time;
	
	scanf("%d %d %d", &n, &t, &e);
	
	for (i = 0; i < n; i++){
		scanf("%d", &x[i]);
	}
	
	ans = -1;
	time = t - e;
	while (time <= t + e){
		for (i = 0; i <= n; i++){
			if (!(time % x[i])){
				break;
			}
		}
		time++;
	}
	printf("%d\n", i + 1);
	
	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:16:9: error: 'ans' undeclared (first use in this function)
   16 |         ans = -1;
      |         ^~~
main.c:16:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main(){
int a,b,c;
scanf("%d%d%d",&a,&b,&c);
for(int d=0;d<a;d++){
	int e;
	cin>>e;
	int f=b/e;
	f*=e;
	if(f>=b-c){printf("%d\n",f);return;}
	f+=e;;
	if(f<=b+c){printf("%d\n",f);return;}
}
printf("-1\n");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:37: error: return-statement with no value, in function returning 'int' [-fpermissive]
   12 |         if(f>=b-c){printf("%d\n",f);return;}
      |                                     ^~~~~~
a.cc:14:37: error: return-statement with no value, in function returning 'int' [-fpermissive]
   14 |         if(f<=b+c){printf("%d\n",f);return;}
      |                                     ^~~~~~
Language: C

char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}

Compiler output:
main.c:1:12: error: return type defaults to 'int' [-Wimplicit-int]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |            ^~~~
main.c: In function 'main':
main.c:1:19: error: implicit declaration of function 'gets' [-Wimplicit-function-declaration]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |                   ^~~~
main.c:1:27: error: implicit declaration of function 'puts' [-Wimplicit-function-declaration]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |                           ^~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'puts'
  +++ |+#include <stdio.h>
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
main.c:1:42: error: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |                                          ^~~~~~
main.c:1:1: note: include '<string.h>' or provide a declaration of 'strlen'
  +++ |+#include <string.h>
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
main.c:1:42: warning: incompatible implicit declaration of built-in function 'strlen' [-Wbuiltin-declaration-mismatch]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |                                          ^~~~~~
main.c:1:42: note: include '<string.h>' or provide a declaration of 'strlen'
main.c:1:59: error: implicit declaration of function 'exit' [-Wimplicit-function-declaration]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |                                                           ^~~~
main.c:1:1: note: include '<stdlib.h>' or provide a declaration of 'exit'
  +++ |+#include <stdlib.h>
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
main.c:1:59: warning: incompatible implicit declaration of built-in function 'exit' [-Wbuiltin-declaration-mismatch]
    1 | char s[99];main(){gets(s);puts(*s=='x'?s+strlen(s)-1:"o");exit(0);}
      |                                                           ^~~~
main.c:1:59: note: include '<stdlib.h>' or provide a declaration of 'exit'
Language: C++

#include <iostream>
#include <string>

int main(){
	string s;
	cin >> s;
	int c = 0;
	for(int i=0;i<s.size();i++){
		if(s[i]!=s[i+1])c++;
	}
	if(c%2)cout << 'o' << endl;
	else cout << s[0] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'string' was not declared in this scope
    5 |         string s;
      |         ^~~~~~
a.cc:5:9: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:6:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |         cin >> s;
      |         ^~~
      |         std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:16: error: 's' was not declared in this scope
    6 |         cin >> s;
      |                ^
a.cc:11:16: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   11 |         if(c%2)cout << 'o' << 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:11:31: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   11 |         if(c%2)cout << 'o' << endl;
      |                               ^~~~
      |                               std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:12:14: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |         else cout << s[0] << 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:12:30: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |         else cout << s[0] << 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 <string>
#include <algorithm>
using namespace std;

int main() {
  string osr;
  size_t pla;

  cin >> osr;

  if(osr[0] != 'o' && if(osr.find('o') != -1)) {
    for(int i = 0; i < osr.size(); i++) {
      if(osr[i] != 'x')
        break;
      osr[i] = 'o';
    }
  }

  for(int i = 0; i < osr.size()-1; i++) {
    if(osr.find('x') == -1) break;
    else if(osr[i] != 'x') {
      for(int j = 0; j < osr.size(); j++){
        if(osr[j] != 'o')
          break;
        osr[j] = 'x';
      }
    }
    if(osr.find('o') == -1) break;
    else if(osr[i] != 'o') {
      for(int j = 0; j < osr.size(); j++){
        if(osr[j] != 'x')
          break;
        osr[j] = 'o';
      }
    }
  }

  cout << osr[0] << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: expected primary-expression before 'if'
   12 |   if(osr[0] != 'o' && if(osr.find('o') != -1)) {
      |                       ^~
a.cc:12:22: error: expected ')' before 'if'
   12 |   if(osr[0] != 'o' && if(osr.find('o') != -1)) {
      |     ~                ^~~
      |                      )
Language: C++

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

int main() {
  string osr;
  size_t pla;
  int size;

  cin >> osr;
  size = osr.size();

  if(osr[0] != 'o' && (osr.find('o') != -1)) {
    for(int i = 0; i < size; i++) {
      if(osr[i] != 'x')
        break;
      osr[i] = 'o';
    }
  }

  for(int i = 0; i < size; i++) {
    if(osr.find('x') == -1) break;
    else if(osr[i] != 'x') {
      for(int j = 0; j < size; j++){
        if(osr[j] != 'o')
          break;
        osr[j] = 'x';
      }
    }
    else if(osr[size] != 'x') {
      for(int j = size; j < 0 ; j--){
        if(osr[j] != 'o')
          break;
        osr[j] = 'x';
      }
    }
    cout << osr << endl;
    if(osr.find('o') == -1) break;
    else if(osr[i] != 'o') {
      for(int j = 0; j < size; j++){
        if(osr[j] != 'x')
          break;
        osr[j] = 'o';
      }
      }
    }
    else if(osr[size] != 'o') {
      for(int j = size; j < 0 ; j--){
        if(osr[j] != 'x')
          break;
        osr[j] = 'o';
      }
    }
    cout << osr << endl;
  }

  cout << osr[0] << endl;

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:48:5: error: 'else' without a previous 'if'
   48 |     else if(osr[size] != 'o') {
      |     ^~~~
a.cc: At global scope:
a.cc:58:3: error: 'cout' does not name a type
   58 |   cout << osr[0] << endl;
      |   ^~~~
a.cc:60:3: error: expected unqualified-id before 'return'
   60 |   return 0;
      |   ^~~~~~
a.cc:61:1: error: expected declaration before '}' token
   61 | }
      | ^
Language: C++

#include <iostream>
#include <string>

int main(){
	
	string in;
	cin >> in;
	
	if(in[0]==in[in.size()-1])
		cout<<in[0]<<endl;
	else
		cout<<"o"<<endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'string' was not declared in this scope
    6 |         string in;
      |         ^~~~~~
a.cc:6:9: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:7:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |         cin >> in;
      |         ^~~
      |         std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:16: error: 'in' was not declared in this scope; did you mean 'int'?
    7 |         cin >> in;
      |                ^~
      |                int
a.cc:10:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |                 cout<<in[0]<<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:10:30: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |                 cout<<in[0]<<endl;
      |                              ^~~~
      |                              std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:12:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |                 cout<<"o"<<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:12:28: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |                 cout<<"o"<<endl;
      |                            ^~~~
      |                            std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

using namespace std; 
int main(){ 
int n,k,w,p,x,y,cnt; 
bool t[51][51],c[51]; 
char a; 
cin>>n>>k; 
  
 
 cnt=0; 
 for(int i=0;i<51;i++){ 
  c[i]=false; 
  for(int j=0;j<51;j++)t[i][j]=false; 
 } 
 for(int i=0;i<k;k++){ 
  cin>>w; 
  t[i][w]=true; 
  scanf("%c",&a); 
  if(a!=' ')continue; 
 } 
 cin>>p; 
 for(int i=0;i<p;i++){ 
  cin>>x>>y; 
  for(int j=0;j<k;j++){ 
   if(t[j][x]&&t[j][y]){ 
    c[x]=c[y]=true; 
    break; 
   } 
  } 
 } 
 for(int i=1;i<=n;i++){ 
  if(c[i])cnt++; 
 } 
 cout<<cnt<<endl; 
 
return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:1: error: 'cin' was not declared in this scope
    6 | cin>>n>>k;
      | ^~~
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:17:3: error: 'scanf' was not declared in this scope
   17 |   scanf("%c",&a);
      |   ^~~~~
a.cc:33:2: error: 'cout' was not declared in this scope
   33 |  cout<<cnt<<endl;
      |  ^~~~
a.cc:33:2: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:33:13: error: 'endl' was not declared in this scope
   33 |  cout<<cnt<<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: Java

import java.util.*;

class Powor{
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int m = sc.nextInt();
    int a[] = new int[m+1];
    int b[] = new int[m+1];
    int answer = 0;
    int maxb = -1;
    int maxidx = -1;
    int work = 1;
    boolean flag = true;
    for(int i = 1; i <= m; i++){
      a[i] = sc.nextInt();
      b[i] = sc.nextInt();
    }
    if(n == 1){
      for(int i = 1; i <= m; i++){
        if(a[i] == 1 && b[i] == 1){
          flag = false;
          break;
        }
      }
      if(!flag){
        System.out.println(1);
      }else{
        System.out.println("Impossible");
      }
    }else if(n == 2){
		boolean aflag = false;
		boolean bflag = false;
		int aidx = -1;
		int bidx = -1;
		for(int i = 1; i <= m; i++){
			if(a[i] == 1){
				aflag = true;
				aidx = i;
			}
			if(b[i] == 2){
				bflag = true;
				bidx = i;
			}
		}
		if(aflag && bflag){
			if(aidx != bidx){
				System.out.println(2);
			}else{
				System.out.println(1);
			}
		}else{
			System.out.println("Impossible");
		}
    }else{
      while(work < n){
        maxb = -1;
        for(int i = 1; i <= m; i++){
		  /*if(work == 1){
		  	if(a[i] <= 1){
			  if(b[i] > maxb){
                maxb = b[i];
                maxidx = i;
              }
		  	}
		  }else{*/
            if(a[i] <= work+1){
              if(b[i] > maxb){
                maxb = b[i];
                maxidx = i;
              }
          	}
		  }
        }
        if(maxb == -1){
          flag = false;
          break;
        }else{
          answer++;
          work = maxb;
          a[maxidx] = 101;
          b[maxidx] = 101;
        }
		System.out.print("a");
      }
      if(flag){
        System.out.println(answer);
      }else{
        System.out.println("Impossible");
      }
    }
  }
}



Compiler output:
Main.java:93: error: class, interface, enum, or record expected
}
^
1 error
Language: Java

import java.util.*;

class Powor{
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int m = sc.nextInt();
    int a[] = new int[m+1];
    int b[] = new int[m+1];
    int answer = 0;
    int maxb = -1;
    int maxidx = -1;
    int work = 1;
    boolean flag = true;
    for(int i = 1; i <= m; i++){
      a[i] = sc.nextInt();
      b[i] = sc.nextInt();
    }
    if(n == 1){
      for(int i = 1; i <= m; i++){
        if(a[i] == 1 && b[i] == 1){
          flag = false;
          break;
        }
      }
      if(!flag){
        System.out.println(1);
      }else{
        System.out.println("Impossible");
      }
    }else if(n == 2){
		boolean aflag = false;
		boolean bflag = false;
		int aidx = -1;
		int bidx = -1;
		for(int i = 1; i <= m; i++){
			if(a[i] == 1){
				aflag = true;
				aidx = i;
			}
			if(b[i] == 2){
				bflag = true;
				bidx = i;
			}
		}
		if(aflag && bflag){
			if(aidx != bidx){
				System.out.println(2);
			}else{
				System.out.println(1);
			}
		}else{
			System.out.println("Impossible");
		}
    }else{
      while(work < n){
        maxb = -1;
        for(int i = 1; i <= m; i++){
		  /*if(work == 1){
		  	if(a[i] <= 1){
			  if(b[i] > maxb){
                maxb = b[i];
                maxidx = i;
              }
		  	}
		  }else{*/
            if(a[i] <= work+1){
              if(b[i] > maxb){
                maxb = b[i];
                maxidx = i;
              }
          	}
		  }
        }
        if(maxb == -1){
          flag = false;
          break;
        }else{
          answer++;
          work = maxb;
          a[maxidx] = 101;
          b[maxidx] = 101;
        }
		System.out.print("a");
      }
      if(flag){
        System.out.println(answer);
      }else{
        System.out.println("Impossible");
      }
    //}
  }
}



Compiler output:
Main.java:77: error: break outside switch or loop
          break;
          ^
1 error
Language: Java

import java.util.*;

class Main{
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int m = sc.nextInt();
    int a[] = new int[m+1];
    int b[] = new int[m+1];
    int answer = 0;
    int maxb = -1;
    int maxidx = -1;
    int work = 1;
    boolean flag = true;
	boolean hflag == true;
    for(int i = 1; i <= m; i++){
      a[i] = sc.nextInt();
      b[i] = sc.nextInt();
    }
    if(n == 1){
      for(int i = 1; i <= m; i++){
        if(a[i] == 1 && b[i] == 1){
          flag = false;
          break;
        }
      }
      if(!flag){
        System.out.println(1);
      }else{
        System.out.println("Impossible");
      }
    }else if(n == 2){
		boolean aflag = false;
		boolean bflag = false;
		int aidx = -1;
		int bidx = -1;
		for(int i = 1; i <= m; i++){
			if(a[i] == 1){
				aflag = true;
				aidx = i;
			}
			if(b[i] == 2){
				bflag = true;
				bidx = i;
			}
		}
		if(aflag && bflag){
			if(aidx != bidx){
				System.out.println(2);
			}else{
				System.out.println(1);
			}
		}else{
			System.out.println("Impossible");
		}
    }else{
      while(work < n){
        maxb = -1;
        for(int i = 1; i <= m; i++){
		  if(hflag){
		  	if(a[i] <= 1){
			  if(b[i] > maxb){
                maxb = b[i];
                maxidx = i;
              }
		  	}
		  }else{
            if(a[i] <= work+1){
              if(b[i] > maxb){
                maxb = b[i];
                maxidx = i;
              }
          	}
		  }
        }
        if(maxb == -1){
          flag = false;
          break;
        }else{
          answer++;
          work = maxb;
          a[maxidx] = 101;
          b[maxidx] = 101;
		  hflag = false;
        }
      }
      if(flag){
        System.out.println(answer);
      }else{
        System.out.println("Impossible");
      }
    }
  }
}



Compiler output:
Main.java:15: error: ';' expected
	boolean hflag == true;
	             ^
1 error
Language: C++

#include <stdio.h>
int n, m, a[100], b[100];
int main() {
	scanf("%d%d", &n, &m);
	for(int i = 0; i < m; i++) scanf("%d%d", &a[i], &b[i]);
	while(l <= m) {
		int ptr = -1;
		for(int j = 0; j < m; j++) {
			if(a[i] <= l) ptr = j;
		}
		if(ptr == -1) {
			printf("Impossible\n");
			return 0;
		}
		l = b[ptr] + ;
	}
	printf("Possible\n");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:15: error: 'l' was not declared in this scope
    6 |         while(l <= m) {
      |               ^
a.cc:9:30: error: 'i' was not declared in this scope
    9 |                         if(a[i] <= l) ptr = j;
      |                              ^
a.cc:15:30: error: expected primary-expression before ';' token
   15 |                 l = b[ptr] + ;
      |                              ^
Language: C++

#include <stdio.h>
int n, m, a[100], b[100];
int main() {
	scanf("%d%d", &n, &m);
	for(int i = 0; i < m; i++) scanf("%d%d", &a[i], &b[i]);
	int l = 1, c = 0;
	while(l <= m) {
		int ptr = -1;
		for(int j = 0; j < m; j++) {
			if(a[i] <= l) ptr = j;
		}
		if(ptr == -1) {
			printf("Impossible\n");
			return 0;
		}
		l = b[ptr] + 1; c++;
	}
	printf("%d\n", c);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:30: error: 'i' was not declared in this scope
   10 |                         if(a[i] <= l) ptr = j;
      |                              ^
Language: C++

#include <iostream>
#include <vector>
#define rep(i ,a) for(int i = 0; i < (a); i++)
#define	all(u) (u).begin(), (u).end()
using namespace std;
typedef	pair<int, int> pii;

int N, M;
vector<pii> inter;

int main() {
  cin >> N >> M;
  inter.resize(M);
  rep(i, M) cin	>> inter[i].first >> inter[i].second;
  sort(all(inter));
  int right = 0, cur = 0;
  int cnt	= 0;
  bool used[128] = {false};
  while(true) {
    if(right == N) {
      cout << cnt << endl;
      return 0;
    }
    int use	= -1;
    while(cur < inter.size() && inter[cur].first <= right + 1){ 
      if(use < inter[cur].second) use = inter[cur].second;
      cur++;
    }
    if(use == -1) break;
    right =	use;
    cnt++;
  }
  cout << "Impossible" << endl;
  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:15:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   15 |   sort(all(inter));
      |   ^~~~
      |   short
Language: C++

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

typedef pair<int, int> P;

vector<P> edge[500];
int dist[1000];
int n, m, a, b;
int main(){
	cin >> n >> m;
	for(int i = 0;i < m;i++){
		cin >> a >> b;
		for(int j = a;j <= b;j++){
			edge[j].push_back(P(200 + i, 1));
			edge[200 + i].push_back(P(j, 0));
		}
	}

	priority_queue<P> pq;
	fill(dist, dist + 1000, INF);
	dist[1] = 0;
	pq.push(P(0, 1));
	while(!pq.empty()){
		P tmp = pq.top();pq.pop();
		int d = tmp.first, from = tmp.second;
		if(dist[from] < d)continue;
		for(int i = 0;i < edge[from].size();i++){
			int to = edge[from][i].first, cost = edge[from][i].second;
			if(dist[to] < dist[from] + cost){
				dist[to] = dist[from] + cost;
				pq.push(P(dist[to], to));
			}
		}
	}	
	if(dist[n] == INF)cout << "Impossible" << endl;
	else cout << dist[n] << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:33: error: 'INF' was not declared in this scope
   23 |         fill(dist, dist + 1000, INF);
      |                                 ^~~
Language: C

int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}

Compiler output:
main.c:1:15: error: return type defaults to 'int' [-Wimplicit-int]
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |               ^~~~
main.c: In function 'main':
main.c:1:22: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                      ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
main.c:1:22: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                      ^~~~~
main.c:1:22: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:85: error: implicit declaration of function 'getchar' [-Wimplicit-function-declaration]
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                                                                                     ^~~~~~~
main.c:1:85: note: 'getchar' is defined in header '<stdio.h>'; this is probably fixable by adding '#include <stdio.h>'
main.c:1:120: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                                                                                                                        ^~~~~~
main.c:1:120: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:120: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:1:120: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:138: error: implicit declaration of function 'rand' [-Wimplicit-function-declaration]
    1 | int i,j,k,c,N;main(){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                                                                                                                                          ^~~~
Language: C

main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}

Compiler output:
main.c:1:1: error: return type defaults to 'int' [-Wimplicit-int]
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      | ^~~~
main.c: In function 'main':
main.c:1:1: error: type of 'i' defaults to 'int' [-Wimplicit-int]
main.c:1:1: error: type of 'j' defaults to 'int' [-Wimplicit-int]
main.c:1:1: error: type of 'k' defaults to 'int' [-Wimplicit-int]
main.c:1:1: error: type of 'c' defaults to 'int' [-Wimplicit-int]
main.c:1:1: error: type of 'N' defaults to 'int' [-Wimplicit-int]
main.c:1:17: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                 ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
main.c:1:17: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                 ^~~~~
main.c:1:17: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:80: error: implicit declaration of function 'getchar' [-Wimplicit-function-declaration]
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                                                                                ^~~~~~~
main.c:1:80: note: 'getchar' is defined in header '<stdio.h>'; this is probably fixable by adding '#include <stdio.h>'
main.c:1:115: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                                                                                                                   ^~~~~~
main.c:1:115: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:115: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:1:115: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:133: error: implicit declaration of function 'rand' [-Wimplicit-function-declaration]
    1 | main(i,j,k,c,N){scanf("%d",&N);for(;i<N;i++,k=c==N-1?i:k)for(c=j=0;j<=N;j++)c+=getchar()=='o'?1:0;for(i=1000;i--;)printf("%d\n",k?k:rand()%N+1);}
      |                                                                                                                                     ^~~~
Language: C

#include<stdio.h>
#include<stdlib.h>
a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}

Compiler output:
main.c:3:1: warning: data definition has no type or storage class
    3 | a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}
      | ^
main.c:3:1: error: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
main.c:3:8: error: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
    3 | a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}
      |        ^
main.c:3:10: error: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
    3 | a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}
      |          ^
main.c:3:12: error: return type defaults to 'int' [-Wimplicit-int]
    3 | a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}
      |            ^~~~
Language: C

#include<stdio.h>
rand();int a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}

Compiler output:
main.c:2:1: warning: data definition has no type or storage class
    2 | rand();int a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}
      | ^~~~
main.c:2:1: error: type defaults to 'int' in declaration of 'rand' [-Wimplicit-int]
main.c:2:23: error: return type defaults to 'int' [-Wimplicit-int]
    2 | rand();int a[999],i,n;main(){for(scanf("%d",&n);n--;)scanf("%*s");for(puts("1");++n<999;printf("%d\n",a[rand()%i]))fflush(stdout),scanf("%d",a+i++);}
      |                       ^~~~
Language: C

#include <iostream>
#include <random>

using namespace std;

#define loop(i,a,b) for(int i=a; i<(int)(b); i++)
#define rep(i,b) loop(i,0,b)

int main(){
    random_device seed;
    int n; cin >> n;
    rep(i,1000){
        printf("%d\n", seed()%n);
        fflush(stdout);
    }
}

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

#include <iostream>
#include <string>
#include <cstdio>

using namespace std;

int main(){
    int n;
    cin >> n;
    string s[n];
    for(int i=0; i < n; i++) cin >> s[i];
    int m = 0, ans = 0;
    for(int i=0; i < n; i++){
        int count = 0;
        for(int j=0; j< s[i].size(); j++) if(s[i][j] == 'o' || s[i][j] == '-') count++;
        if(m < count){ans = i; m = count;}
    }
    for(int i=0; i< 1000; i++){
        cout << ans+1 << endl; fflush(stdout);
        int p; cin >> p; p--; a[p]++;
        cout << p << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:31: error: 'a' was not declared in this scope
   20 |         int p; cin >> p; p--; a[p]++;
      |                               ^
Language: C++

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

#define rep(i,x,y) for(int i=(x);i<(y);++i)
#define mp(a,b) make_pair((a),(b))
#define debug(x) #x << "=" << (x)
 
#ifdef DEBUG
#define _GLIBCXX_DEBUG
#define dump(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl
#else
#define dump(x)
#endif

typedef long long int ll;
typedef pair<int,int> pii;
//template<typename T> using vec=std::vector<T>;

const int INF=1<<30;
const long long int INF_=1LL<<58;
const double EPS=1e-9;
const int dx[]={1,0,-1,0},dy[]={0,1,0,-1};

template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec){
	os << "[";
	for (const auto &v : vec) {
		os << v << ",";
	}
	os << "]";
	return os;
}

void Solve(){
	int n; cin >> n;
	vector<int> v;
	vector<string> s(n);
	rep(i,0,n){
		cin >> s[i];
		rep(j,0,n) if(s[i][j]=='o') v.push_back(i+1);
	}

	random_device rd;
	mt19937 eng(rd());
	vector<int> cnt(n);
	rep(i,0,200){
		cout << v[eng()%v.size()] << endl;
		int in; cin >> in;
		++cnt[--in];
	}

	vector<pii> ps(n),ps(n);
	rep(i,0,n){
		ps[i].first=cnt[i];
		ps[i].second=i;
	}
	sort(ps.rbegin(),ps.rend());
	vector<int> w;
	rep(i,0,n){
		rep(j,0,n){
			if(s[i][ps[j].second]=='o'){
				rep(k,0,ps[j].first*2) w.push_back(i+1);
			}else if(s[i][ps[j].second]=='-'){
				rep(k,0,ps[j].first/2) w.push_back(i+1);
			}
		}
	}

	rep(i,0,800){
		cout << w[eng()%w.size()] << endl;
		int in; cin >> in;
	}
}

int main(){
	//std::ios::sync_with_stdio(false);
	//std::cin.tie(0);
	Solve();
	return 0;
}

Compiler output:
a.cc: In function 'void Solve()':
a.cc:51:27: error: redeclaration of 'std::vector<std::pair<int, int> > ps'
   51 |         vector<pii> ps(n),ps(n);
      |                           ^~
a.cc:51:21: note: 'std::vector<std::pair<int, int> > ps' previously declared here
   51 |         vector<pii> ps(n),ps(n);
      |                     ^~
Language: C++

#include<bits/stdc++.h>

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

using namespace std;

int N;
char a[110][110];
int win[110];

int main(){
  srand((unsigned int)time(NULL));
  cin >> N;
  rep(i,N) {
    string s;
    cin >> s;
    rep(j,N) { 
      a[i][j] = s[j];
      if( j < i && a[i][j] == 'o' ) ++win[i];
    }
  }
  int maxi_p = 0;
  rep(i,N) if( win[maxi_p] < win[i] ) win_p = i;
  
  int judge_ai_hand = 1;
  rep(_,1000){
    printf("%d\n",maxi_p+1); fflush(stdout);
    scanf("%d", &judge_ai_hand);
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:39: error: 'win_p' was not declared in this scope; did you mean 'wint_t'?
   24 |   rep(i,N) if( win[maxi_p] < win[i] ) win_p = i;
      |                                       ^~~~~
      |                                       wint_t
Language: C++

#include<bits/stdc++.h>

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

using namespace std;

int N;
char a[110][110];
int win[110];

int main(){
  srand((unsigned int)time(NULL));
  cin >> N;
  rep(i,N) {
    string s;
    cin >> s;
    rep(j,N) { 
      a[i][j] = s[j];
      if( j < i && a[i][j] == 'o' ) ++win[i];
    }
  }
  int maxi_p = 0;
  rep(i,N) if( win[maxi_p] < win[i] ) maxi_p = i;
  bool definitely = false;
  if( win[maxi_p] == N-1 ) definitely = true;

  int judge_ai_hand = 1;
  int use = 0;
  rep(_,1000){
    if( definitely ) {
      printf("%d\n",maxi_p+1); fflush(stdout);
    } else {
      if( rand() % 1000 >= ???30 ) {
        printf("%d\n",rand()%N+1); fflush(stdout);
      } else {
        printf("%d\n",maxi_p+1); fflush(stdout);

      }
    }
    scanf("%d", &judge_ai_hand);
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:28: error: expected primary-expression before '?' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                            ^
a.cc:34:29: error: expected primary-expression before '?' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                             ^
a.cc:34:30: error: expected primary-expression before '?' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                              ^
a.cc:34:33: error: expected ':' before ')' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                                 ^~
      |                                 :
a.cc:34:34: error: expected primary-expression before ')' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                                  ^
a.cc:34:33: error: expected ':' before ')' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                                 ^~
      |                                 :
a.cc:34:34: error: expected primary-expression before ')' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                                  ^
a.cc:34:33: error: expected ':' before ')' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                                 ^~
      |                                 :
a.cc:34:34: error: expected primary-expression before ')' token
   34 |       if( rand() % 1000 >= ???30 ) {
      |                                  ^
Language: C++

#include<iostream>
#include<ctime>
#include<vector>
#include<cstdlib>
using namespace std;
int main() {
	srand((unsigned)time(NULL));
	int n; char a[11][11]; int b[11];
	vector<int>d[11];
	int judge_ai_hand;
	for (int i = 0; i < 11; i++) { b[i] = 0; }
	cin >> n;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			cin >> a[i][j];
			if (a[i][j] == 'o') { b[i]++; }
		}
	}
	int maxn = 0, maxid = 0;
	for (int i = 0; i < n; i++) {
		if (maxn < b[i]) { maxn = b[i]; maxid = i; }
		d[b[i]].push_back(i);
	}
	int V = maxn, ok = 1;
	for (int i = 0; i < 1000; i++) {
		if (ok == 1) {
			int e = (unsigned)rand() % d[V].size();
		}
		if (ok == 0) { e = (unsigned)rand() % n + 1; }
		cout << d[maxn][e] + 1 << endl;
		cin >> judge_ai_hand;
		if (a[d[maxn][e]][judge_ai_hand] == 'x') {
			ok = 0;
		}
		else {
			ok = 1;
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:32: error: 'e' was not declared in this scope
   29 |                 if (ok == 0) { e = (unsigned)rand() % n + 1; }
      |                                ^
a.cc:30:33: error: 'e' was not declared in this scope
   30 |                 cout << d[maxn][e] + 1 << endl;
      |                                 ^
Language: C++

#include <time.h>
#include <stdio.h>
#include <stdlib.h>
int n; char c[11][11];
int main() {
	scanf("%d", &n);
	for(int i = 0; i < n; i++) scanf("%s", &s[i]);
	int e = rand() % n + 1, f;
	for(int i = 0; i < 1000; i++) {
		printf("%d\n", e); fflush(stdout);
		scanf("%d", &f);
		if(c[e - 1][f - 1] == 'x') e = rand() % n + 1;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:49: error: 's' was not declared in this scope
    7 |         for(int i = 0; i < n; i++) scanf("%s", &s[i]);
      |                                                 ^
Language: C++

#include<iostream>
#include<ctime>
#include<cstdlib>
using namespace std;


int main(){
	srand(unsigned(time(NULL)));
	char judge[20][20];
	int N;
	cin>>N;
	for(int i=0;i<N;i++){
		cin>>judge[i];
		max[i]=0;
	}
	
	int n;
	
	
	for(int i=0;i<1000;i++){
		cout<<rand()%N+1<<endl;
		cin>>n;
		fflush(stdout);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:20: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   14 |                 max[i]=0;
      |                    ^
Language: C++

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

int main(){

int N;
cin>>n;
if(N==10){
for(int i=0;i<1000000000;i++);
}else{
int a=1/0;
}}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:1: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 | cin>>n;
      | ^~~
      | std::cin
In file included from a.cc:2:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:6: error: 'n' was not declared in this scope
    7 | cin>>n;
      |      ^
a.cc:11:8: warning: division by zero [-Wdiv-by-zero]
   11 | int a=1/0;
      |       ~^~
Language: C++

#include <iostream>

using namespace std;
int main(){

int N;
cin>>n;
if(N==10){
for(int i=0;i<1000000000;i++);
}else{
int a=1/0;
}}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: 'n' was not declared in this scope
    7 | cin>>n;
      |      ^
a.cc:11:8: warning: division by zero [-Wdiv-by-zero]
   11 | int a=1/0;
      |       ~^~
Language: C++

#include<iostream.h>
int a=1,c,r,v[999];main(char t){cin>>c;c--;cin>>&t);for(;c++<999;cin>>v[c],a=v[r=(r-~r)%~c])cout<<a<<endl;}

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

#include<iostream>
using namespace std;int a=1,c,r,v[999];main(char t){cin>>c;c--;cin>>&t);for(;c++<999;cin>>v[c],a=v[r=(r-~r)%~c])cout<<a<<endl;}

Compiler output:
a.cc:2:40: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | using namespace std;int a=1,c,r,v[999];main(char t){cin>>c;c--;cin>>&t);for(;c++<999;cin>>v[c],a=v[r=(r-~r)%~c])cout<<a<<endl;}
      |                                        ^~~~
a.cc:2:40: warning: first argument of 'int main(char)' should be 'int' [-Wmain]
a.cc:2:40: warning: 'int main(char)' takes only zero or two arguments [-Wmain]
a.cc: In function 'int main(char)':
a.cc:2:71: error: expected ';' before ')' token
    2 | using namespace std;int a=1,c,r,v[999];main(char t){cin>>c;c--;cin>>&t);for(;c++<999;cin>>v[c],a=v[r=(r-~r)%~c])cout<<a<<endl;}
      |                                                                       ^
      |                                                                       ;
Language: C++

#include <bits/stdc++.h>
#include <unistd.h>

#define loop(i,a,b) for(int i=(a); i<int(b); i++)
#define rep(i,n) loop(i,0,n)

using namespace std;

inline unsigned random() {
    static unsigned x = 123456789;
    static unsigned y = 362436069;
    static unsigned z = 521288629;
    static unsigned w = 88675123;
    unsigned t;

    t = x ^ (x << 11);
    x = y; y = z; z = w;
    return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
}

inline int random(int n) { return (int)(random() & 0x7fffff) % n; }

inline void pon(int n){
    cout << n << endl;
    fflush(stdout);
}

inline int get(){
    int res;
    cin >> res;
    return res;
}

int main(){
    srand(time(0u)+getpid());

    int n; cin>>n;
    vector<string> win(n);
    rep(i,n)cin>>win[i];

    bool change = true;
    int h;
    rep(i,1000){
        if(change) h = random()%n+1;
        pon(h);
        int e=get()-1;
        if(win[h][e]=='x') change = true;
        else change = false;
    }
}

Compiler output:
a.cc:9:17: error: ambiguating new declaration of 'unsigned int random()'
    9 | inline unsigned random() {
      |                 ^~~~~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:521:17: note: old declaration 'long int random()'
  521 | extern long int random (void) __THROW;
      |                 ^~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <cstdlib>
#include <queue>
#include <ctime>
#include <map>
#include <complex>
using namespace std;
typedef complex<double> P;

struct NODE{
	long long w,t,x,i;
	NODE(){}
	NODE(long long w,long long t,long long x,long long i) : w(w) , t(t) , x(x) , i(i) {}
};
bool cmp(const NODE &a,const NODE &b){ return a.w < b.w; };

typedef unsigned int uint;
int in() {
    int x = 0, c;
    for (; (uint)((c = getchar()) - '0') >= 10; ) { if (c == '-') return -in(); if (!~c) throw ~0; }
    do { x = (x << 3) + (x << 1) + (c - '0'); } while ((uint)((c = getchar()) - '0') < 10);
    return x;
}

NODE info[100000];
int query[100000];
long long res1[100000];
long long res2[100000];


long long C[3] , S[3] , V[3];

priority_queue< pair<int,pair<int,int> > , vector< pair<int,pair<int,int> > > , greater< pair<int,pair<int,int> > > > remQue;

int main(){
	int N,Q;
	cin >> N >> Q;
	for(int i = 0 ; i < N ; i++){
		cin >> info[i].w >> info[i].t >> info[i].x;
		info[i].i = i;
	}
	for(int i = 0 ; i < Q ; i++){
		cin >> query[i];
	}
	for(int i = 0 ; i < N ; i++) res1[i] = -1;
	sort(info,info+N,cmp);
	long long power = 0;
	int idx = 0 , idx2 = 0;
	
	for(int day = 0 ; day <= 3652425 ; day++){
		while( remQue.size() && remQue.top().first == day ){
			C[remQue.top().second.first] -= 1;
			S[remQue.top().second.first] -= remQue.top().second.second;
			if( remQue.top().second.first == 2 ){
				V[remQue.top().second.first] -= remQue.top().second.second*remQue.top().second.second;
			}
			remQue.pop();
		}
		while( idx < N && power >= info[idx].w ){
			res1[idx] = day; 
			C[info[idx].t]++;
			remQue.push(make_pair(day+info[idx].x,make_pair(info[idx].t,info[idx].x)));
			idx++;
		}
		while( idx2 < Q && day == query[idx2] ) {
			res2[idx2] = power;
			idx2++;
		}
		S[1] += C[1];
		V[2] += 2*S[2]+C[2];
		S[2] += C[2];	
		// by girl
		power += 1;

		// by 1
		power += C[0];

		// by x
		power += S[1];

		// by x2^2
		power += V[2]; 
	}
	for(int i = 0 ; i < N ; i++){
		if( res1[i] == -1 ) cout << "Many years later" << endl;
		else cout << res1[i] << endl;
	}
	for(int i = 0 ; i < Q ; i++)
		cout << res2[i] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:47:9: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   47 |         sort(info,info+N,cmp);
      |         ^~~~
      |         sqrt