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

    #include <stdio.h>
     
    int main(){
      int a,b;
      scanf("%d",&a);
      scanf("%d",&b);
      int tmp;
      int A=a+b,B=a-b,C=a*b;
      
      if(A>B&&A>C) tmp = A;
      if(B>A&&B>C) tmp = B;
      if(c>A&&C>B) tmp = C;
      
      printf("%d",tmp);
    }

Compiler output:
main.c: In function 'main':
main.c:12:10: error: 'c' undeclared (first use in this function)
   12 |       if(c>A&&C>B) tmp = C;
      |          ^
main.c:12:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(){
  int a,b;
  scanf("d",&a);
  scanf("d",&b);
  int tmp;
  int A=a+b,B=a-b,C=a*b;
  
  if(A>B&&A>C) tmp = A;
  if(B>A&&B>C) tmp = B;
  if(c>A&&C>B) tmp = C;
  
  printf("d",tmp);
}

Compiler output:
main.c: In function 'main':
main.c:12:6: error: 'c' undeclared (first use in this function)
   12 |   if(c>A&&C>B) tmp = C;
      |      ^
main.c:12:6: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<iostream>
#include<algorithm>
int main(){
  int a, b;
  std::cin >> a >> b;
  std::cout << max({a+b,a-b,a*b}) << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:16: error: 'max' was not declared in this scope; did you mean 'std::max'?
    6 |   std::cout << max({a+b,a-b,a*b}) << std::endl;
      |                ^~~
      |                std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
	int A,B;
	cin>>A>>B;
	int h,c,j;
	h=a+b;
	c=a-b;
	j=a*b;
	if(h>=c&&h>=j)cout<<h<<endl;
	else if(c>=h&&c>=j)cout<<c<<endl;
	else if(j>=c&&j>=h)cout<<j<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: 'a' was not declared in this scope
    7 |         h=a+b;
      |           ^
a.cc:7:13: error: 'b' was not declared in this scope
    7 |         h=a+b;
      |             ^
Language: C++

#include<iostream>
using namespace std;

int main(){
  int a,b;
  cin>>a>>b;
  cout << max({a+b,a-b,a*b}) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    7 |   cout << max({a+b,a-b,a*b}) << endl;
      |           ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

#include <iostream>
using namespace std;

int main(){
  int a,b;
  cin>>a>>b;
  cout << max(a+b, a-b,a*b) << endl;
}


Compiler output:
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:7:14:   required from here
    7 |   cout << max(a+b, a-b,a*b) << endl;
      |           ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <iostream>
#include <algorithm>

int main(){
  int a,b;
  cin>>a>>b;
  cout<<max({a+b,a-b,a*b})<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin>>a>>b;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   cout<<max({a+b,a-b,a*b})<<endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:9: error: 'max' was not declared in this scope; did you mean 'std::max'?
    7 |   cout<<max({a+b,a-b,a*b})<<endl;
      |         ^~~
      |         std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:7:29: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   cout<<max({a+b,a-b,a*b})<<endl;
      |                             ^~~~
      |                             std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <stdio.h>
#include <algorithmn>
using namespace std;

int main(){
  int a,b,c;
  scanf("%d%d%d", &a, &b, &c);
  printf("%d\n", max(a+b, max(a-b, a*b)));
  return 0;
}

Compiler output:
a.cc:2:10: fatal error: algorithmn: No such file or directory
    2 | #include <algorithmn>
      |          ^~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>

using namespace std;


#define mod        1000000007
#define ft         first
#define sd         second
#define pb         push_back
#define all(x)     x.begin(),x.end()
#define ll         long long int
#define db         long double
#define vbi        vector<bool> 
#define vlli       vector<long long int >
#define mp         make_pair
#define ms(x,v)    memset(x, v, sizeof x)
#define cnl        printf("\n");
#define fr(i,b)    for(ll i=0; i<=b; i++)
#define frr(i,b)   for(ll i=0;i<b;i++)
#define fb(i,b)    for(ll i=b-1; i>=0; i--)
#define PI         3.14159265
const int maxn=    100000;
ll i,j,k;
int main(){
  ll a,b;
  cin>>a>>b;
  ll c=a*b;
  ll d=a+b;
  ll e=a-b;
  ll f=max(c,d);
  ll f=max(e,f);
  cout<<f<<endl;





    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:6: error: redeclaration of 'long long int f'
   31 |   ll f=max(e,f);
      |      ^
a.cc:30:6: note: 'long long int f' previously declared here
   30 |   ll f=max(c,d);
      |      ^
Language: C++

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

int sum(int x, int y)
{
	return x+y;
}
int sub(int x, int y)
{
	return x-y;
}
int mul(int x, int y)
{
	return x*y;
}mi

int main(void)
{
	int a, b, sm, sb, ml, gr;
	scanf("%d %d", &a, &b);
	
	sm = sum(a, b);
	sb = sub(a, b);
	ml = mul(a, b);
	
	if(sm >= sb && sm >= ml) gr = sm;
	else if(sb >= sm && sb >= ml) gr = sb;
	else if(ml >= sm && ml >= sb) gr = ml;
	else printf("YOFUCK\n");
	
	printf("%d\n", gr);
}

Compiler output:
a.cc:15:2: error: 'mi' does not name a type
   15 | }mi
      |  ^~
Language: C++

using System;
class Program
    {
        static void Main(string[] args)
        {
            int[] ab = new int[2];
            int[] results = new int[3];
            int i,max = 0;
            for (i = 0; i < 2; i++)
            {
                ab[i] = int.Parse(Console.ReadLine());
            }
            results[0] = ab[0] + ab[1];
            results[1] = ab[0] - ab[1];
            results[2] = ab[0] * ab[1];

            for (i = 0; i < 3; i++)
            {
                if(results[i] > max)
                {
                    max = results[i];
                }
            }
            Console.WriteLine(max);
        }
    }

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:4:26: error: 'string' has not been declared
    4 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:4:35: error: expected ',' or '...' before 'args'
    4 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:26:6: error: expected ';' after class definition
   26 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void Program::Main(int*)':
a.cc:6:16: error: structured binding declaration cannot have type 'int'
    6 |             int[] ab = new int[2];
      |                ^~
a.cc:6:16: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:6:16: error: empty structured binding declaration
a.cc:6:19: error: expected initializer before 'ab'
    6 |             int[] ab = new int[2];
      |                   ^~
a.cc:7:16: error: structured binding declaration cannot have type 'int'
    7 |             int[] results = new int[3];
      |                ^~
a.cc:7:16: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:7:16: error: empty structured binding declaration
a.cc:7:19: error: expected initializer before 'results'
    7 |             int[] results = new int[3];
      |                   ^~~~~~~
a.cc:11:17: error: 'ab' was not declared in this scope
   11 |                 ab[i] = int.Parse(Console.ReadLine());
      |                 ^~
a.cc:11:25: error: expected primary-expression before 'int'
   11 |                 ab[i] = int.Parse(Console.ReadLine());
      |                         ^~~
a.cc:13:13: error: 'results' was not declared in this scope
   13 |             results[0] = ab[0] + ab[1];
      |             ^~~~~~~
a.cc:13:26: error: 'ab' was not declared in this scope
   13 |             results[0] = ab[0] + ab[1];
      |                          ^~
a.cc:24:13: error: 'Console' was not declared in this scope
   24 |             Console.WriteLine(max);
      |             ^~~~~~~
Language: C++

#include "bits/stdc++.h"

#define ed cout<<"\n";
#define speed ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define ll long long 
#define ffor(i,a,b) for(ll i=(ll)(a);i<(ll)(b);++i)
#define rep(i, n) ffor(i,0,n)
#define All(obj) (obj).begin(),(obj).end()
#define INF ((ll)1e9+7)
#define c(a) cout<<a<<"\n";
using namespace std;
const int N = 100005;

int main() {
	speed;
	int a, b;
	int sum, dif, prd;
	cin >> a >> b;
	sum = a + b;
	dif = a - b;
	prd = a * b;
	int ans = max(sum, dif, prd);
	c(ans);
	return 0;
}


Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:22:15:   required from here
   22 |         int ans = max(sum, dif, prd);
      |                   ~~~^~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <iostream>

using namespace std:
int main(){
	int a,b;
	cin >> a >> b;
	int c = max(a + b,a - b);
	c = max(c,a*b);
	cout << c << endl;
}

Compiler output:
a.cc:3:20: error: expected ';' before ':' token
    3 | using namespace std:
      |                    ^
      |                    ;
a.cc:3:20: error: expected unqualified-id before ':' token
Language: C

#include <stdio.h>
int main(void) {
  int A,B,C,D,E,max;
  scanf("%d %d",&A,&B);
  C = A+B;
  D = A-B;
  E = A*B;
  max = C;
  if (max<D) {
    max = D
  }
  if (max<E) {
    max = E
  }
  printf("%d\n",max);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:12: error: expected ';' before '}' token
   10 |     max = D
      |            ^
      |            ;
   11 |   }
      |   ~         
main.c:13:12: error: expected ';' before '}' token
   13 |     max = E
      |            ^
      |            ;
   14 |   }
      |   ~
Language: Java

import java.util.*;
 
public class Main {
	public static void main(String[] args) {
      	Scanner sc = new Scanner(System.in);
      	int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = a + b;
      	int d = a - b;
      	int e = a * b;
      	int ans = Math.max(c, d);
      	int ans = Math.max(ans, e);
      	System.out.println(ans);
    }
}

Compiler output:
Main.java:12: error: variable ans is already defined in method main(String[])
      	int ans = Math.max(ans, e);
      	    ^
1 error
Language: Java

import java.util.*;

public class Main {
	public static void main(String[] args) {
      	Scanner sc = new Scanner(System.in);
      	int a = sc.nextInt();
      	int b = sc.nextInt();
      	int c = a + b;
      	int d = a - b;
      	int e = a * b;
      	int max = Math.max(c, d);
      	int max = Math.max(max, e);
      	System.out.println(max);
    }
}

Compiler output:
Main.java:12: error: variable max is already defined in method main(String[])
      	int max = Math.max(max, e);
      	    ^
1 error
Language: C

#include <stdio.h>
int main(){
  int A,B,C,ret;
    ret = scanf( "%d" , &idata );
  if( ret == EOF ) {
    return -1;
  }
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B;
  }
  printf("%d",C);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:4:26: error: 'idata' undeclared (first use in this function)
    4 |     ret = scanf( "%d" , &idata );
      |                          ^~~~~
main.c:4:26: note: each undeclared identifier is reported only once for each function it appears in
Language: C

//usr/bin/env picoc $0 - $@;exit
#include <stdio.h>
int main(){
  int a,b,c;
  scanf("%d%d",&a,&b);
  C= a+b;
  if(a-b>c){
    C=a-b;
  }
  if(a*b>c){
   c=a*b;
  }
  printf("%d\n",c);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: 'C' undeclared (first use in this function)
    6 |   C= a+b;
      |   ^
main.c:6:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C

//usr/bin/env picoc $0 - $@;exit
#include <stdio.h>
int main(){
  int a,b,c;
  scanf("%d%d",&a,&b);
  C= a+b;
  if(a-b>c){
    C=a-b;
  }
  if(a*b>c){
   C=a*b;
  }
  printf("%d\n",c);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:3: error: 'C' undeclared (first use in this function)
    6 |   C= a+b;
      |   ^
main.c:6:3: 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;
  cin>>a>>b;
  
  int z=a+b;
  if (z>a-b)
    z=a-b;
  
  if (z>a*b)
    z=a*b;
  
  print(z)
}

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

#include <stdio.h>
int main(){
  float A,B,C;
  scanf("%f"&A,&B);
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B;
  }
  printf("%f",C);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:13: error: invalid operands to binary & (have 'char *' and 'float')
    4 |   scanf("%f"&A,&B);
      |         ~~~~^
      |         |
      |         char *
Language: C

#include <stdio.h>
int main(){
  float A,B,C;
  scanf("%f"&A);
  scanf("%f"&B);
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B;
  }
  printf("%f",C);
}


Compiler output:
main.c: In function 'main':
main.c:4:13: error: invalid operands to binary & (have 'char *' and 'float')
    4 |   scanf("%f"&A);
      |         ~~~~^
      |         |
      |         char *
main.c:5:13: error: invalid operands to binary & (have 'char *' and 'float')
    5 |   scanf("%f"&B);
      |         ~~~~^
      |         |
      |         char *
Language: C

#include <stdio.h>
int main(){
  float A,B,C;
  scanf("%f"`&A`);
  scanf("%f"`&B`);
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B;
  }
  printf("%f",C);
}


Compiler output:
main.c: In function 'main':
main.c:4:13: error: stray '`' in program
    4 |   scanf("%f"`&A`);
      |             ^
main.c:4:16: error: stray '`' in program
    4 |   scanf("%f"`&A`);
      |                ^
main.c:4:14: error: invalid operands to binary & (have 'char *' and 'float')
    4 |   scanf("%f"`&A`);
      |         ~~~~ ^
      |         |
      |         char *
main.c:5:13: error: stray '`' in program
    5 |   scanf("%f"`&B`);
      |             ^
main.c:5:16: error: stray '`' in program
    5 |   scanf("%f"`&B`);
      |                ^
main.c:5:14: error: invalid operands to binary & (have 'char *' and 'float')
    5 |   scanf("%f"`&B`);
      |         ~~~~ ^
      |         |
      |         char *
Language: C

#include <stdio.h>
int main(){
  int A,B,C;
  scanf("%d"&A);
  scanf("%d"&B);
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B;
  }
  printf("%d",C);
}


Compiler output:
main.c: In function 'main':
main.c:4:13: error: invalid operands to binary & (have 'char *' and 'int')
    4 |   scanf("%d"&A);
      |         ~~~~^
      |         |
      |         char *
main.c:5:13: error: invalid operands to binary & (have 'char *' and 'int')
    5 |   scanf("%d"&B);
      |         ~~~~^
      |         |
      |         char *
Language: C

#include <stdio.h>
int main(){
  int A,B,C;
  scanf("%d,%d"&A,&B);
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B 
  }
  printf("%d",C);
}


Compiler output:
main.c: In function 'main':
main.c:4:16: error: invalid operands to binary & (have 'char *' and 'int')
    4 |   scanf("%d,%d"&A,&B);
      |         ~~~~~~~^
      |         |
      |         char *
main.c:10:9: error: expected ';' before '}' token
   10 |    C=A*B
      |         ^
      |         ;
   11 |   }
      |   ~
Language: C

int main(){
  int A,B,C;
  scanf("%d,%d"&A,&B);
  C= A+B;
  if(A-B>C){
    C=A-B;
  }
  if(A*B>C){
   C=A*B 
  }
  printf("%d",C);
}

Compiler output:
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%d,%d"&A,&B);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%d,%d"&A,&B);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:3:16: error: invalid operands to binary & (have 'char *' and 'int')
    3 |   scanf("%d,%d"&A,&B);
      |         ~~~~~~~^
      |         |
      |         char *
main.c:9:9: error: expected ';' before '}' token
    9 |    C=A*B
      |         ^
      |         ;
   10 |   }
      |   ~      
main.c:11:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   11 |   printf("%d",C);
      |   ^~~~~~
main.c:11:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:11:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:11:3: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

sp = " ";rt = "\n";MOD = 1e9+7
A,B = map(int,input().split())
print(max(A+B,A-B,A*B))

Compiler output:
a.cc:1:1: error: 'sp' does not name a type
    1 | sp = " ";rt = "\n";MOD = 1e9+7
      | ^~
a.cc:1:10: error: 'rt' does not name a type
    1 | sp = " ";rt = "\n";MOD = 1e9+7
      |          ^~
a.cc:1:20: error: 'MOD' does not name a type
    1 | sp = " ";rt = "\n";MOD = 1e9+7
      |                    ^~~
Language: C++

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

int main()
{
  int a, b;
  cin >> a >> b;
  cout << max({a + b, a - b, a * b});
  return 0;
}

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

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

int main()
{
  int a, b;
  cin >> a >> b;
  cout << max({a + b, a - b, a * b});
  return ;
}

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

#include<iostream>

int main()
{
  int a, b;
  cin >> a >> b;
  if (a+b >= a-b && a+b >= a*b)
  {
    cout << a + b;
  }
  else if (a-b >= a+b && a-b >= a*b)
  {
    cout << a - b;
  }
  else if (a*b >= a-b && a*b >= a+b)
  {
    cout << a * b;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> a >> b;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:9:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |     cout << a + b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:13:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |     cout << a - b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |     cout << a * b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include<iostream>

void main()
{
  int a, b;
  cin >> a >> b;
  if (a+b >= a-b && a+b >= a*b)
  {
    cout << a + b;
  }
  else if (a-b >= a+b && a-b >= a*b)
  {
    cout << a - b;
  }
  else if (a*b >= a-b && a*b >= a+b)
  {
    cout << a * b;
  }
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> a >> b;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:9:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |     cout << a + b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:13:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   13 |     cout << a - b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |     cout << a * b;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>

using namespace std;

int main(){
    int a;
    //Aを定義
    int b;
    //Bを定義
    cin >> a >> b;
    cout << max({a + b, a - b, a * b}) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   11 |     cout << max({a + b, a - b, a * b}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

#include <iostream>

using namespace std;

int main(){
    int A;
    //Aを定義
    int B;
    //Bを定義
    cin >> A >> B;
    cout << max({A + B, A - B, A * B}) << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   11 |     cout << max({A + B, A - B, A * B}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

#include <iostream>

using namespace std;

int main(){
    int A;
    //Aを定義
    int B;
    //Bを定義
    cin >> A >> B;
    cout << max({A + B, A - B, A * B}) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   11 |     cout << max({A + B, A - B, A * B}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

#include <iostream>

using namespace std;

int main(){
    int A;
    //Aを定義
    int B;
    //Bを定義
    cin >> A >> B;
    cout << max(A + B, A - B, A * B) << endl;
}

Compiler output:
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:11:16:   required from here
   11 |     cout << max(A + B, A - B, A * B) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

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

typedef long long int ll;
typedef pair<ll, ll> pll;

#define FOR(i, n, m) for (ll(i) = (m); (i) < (n); ++(i))
#define REP(i, n) FOR(i, n, 0)
#define OF64 std::setprecision(10)

const ll MOD = 1000000007;
const ll INF = (ll)1e15;

int main()
{
    ll A, B;
    cin >> A >> B;
    cout << std::max(A + B, std::max(A - B, A * B)) << Endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:56: error: 'Endl' was not declared in this scope
   18 |     cout << std::max(A + B, std::max(A - B, A * B)) << Endl;
      |                                                        ^~~~
Language: C++

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

int main() {
  int A,B,D,E,F;
  int ans = 0;

  cin >> A >> B;

  D = A + B;
  E = A - B;
  F = A * B;
  ans = MAX(D,E);
  ans = MAX(ans,E);

  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'MAX' was not declared in this scope
   13 |   ans = MAX(D,E);
      |         ^~~
Language: Java

import java.util.*;

public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		//1行目の整数を読み込む
		int A = sc.nextInt();
		int B = sc.nextInt();
		
		//A+B,A-B,A×Bを計算する
		int AplusB = A+B ;
		int AminusB = A-B;
		int AmultiplyB = A*B;
		
		//3つの計算結果を比較し、最大のものを変数maxに入れる
		int max;
		max = AplusB;
		
		if(AplusB < AminusB) {
			max = AminusB;
			if (AminusB < AmultiplyB) {
				max = AmultiplyB;
			}
		}else if(AplusB < AmultiplyB){
			max = AmultiplyB;
		}
		
		System.out.println(max);
			
	}
｝

Compiler output:
Main.java:32: error: illegal character: '\uff5d'
?
^
Main.java:32: error: reached end of file while parsing
?
 ^
2 errors
Language: C++

#include <bits/stdc++.h>
#include <string>
using namespace std;
 
int main() {
  int A, B;
  string A, B;
  cin >> A >> B;
 
  if (A + B > A - B && A + B > A * B ) {
    cout << A + B << endl;
  }
  else if (A - B > A + B && A - B > A * B){
    cout << A - B << endl;
  }
  else {
    cout << A * B << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: conflicting declaration 'std::string A'
    7 |   string A, B;
      |          ^
a.cc:6:7: note: previous declaration as 'int A'
    6 |   int A, B;
      |       ^
a.cc:7:13: error: conflicting declaration 'std::string B'
    7 |   string A, B;
      |             ^
a.cc:6:10: note: previous declaration as 'int B'
    6 |   int A, B;
      |          ^
Language: C

#include<stdio.h>
#include<stdlib.h>
int main(){
		scanf("%d",&a);
		scanf("%d",&b);
    	int c = a+b;
    	int d = a-b;
		int e = a*b;
        if(c > d && c > e)

        {

            printf(c);

        }

        else if(d > e)

        {

            printf(d);

        }

        else

        {

            printf(e);

        }
        return 0;
  }



Compiler output:
main.c: In function 'main':
main.c:4:29: error: 'a' undeclared (first use in this function)
    4 |                 scanf("%d",&a);
      |                             ^
main.c:4:29: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:29: error: 'b' undeclared (first use in this function)
    5 |                 scanf("%d",&b);
      |                             ^
main.c:13:20: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   13 |             printf(c);
      |                    ^
      |                    |
      |                    int
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:21:20: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   21 |             printf(d);
      |                    ^
      |                    |
      |                    int
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:29:20: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   29 |             printf(e);
      |                    ^
      |                    |
      |                    int
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  cout << A + B << endl;
  cout << A - B << endl;
  cout << A * B << endl;
  
  int num1,num2,num3;
  
  cin >> num1;
  cin >> num2;
  cin >> num3;
  
  cout << max( {num1, num2, num3} );
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: 'A' was not declared in this scope
    5 |   cout << A + B << endl;
      |           ^
a.cc:5:15: error: 'B' was not declared in this scope
    5 |   cout << A + B << endl;
      |               ^
Language: C

#include<stdio.h>
#include<stdlib.h>
int main(){
		scanf("%d",&a);
		scanf("%d",&b);
    	int c = a+b;
    	int d = a-b;
		int e = a*b;
        if(c > d && c > e)

        {

            printf(c);

        }

        else if(d > e)

        {

            printf(d);

        }

        else

        {

            printf(e);

        }
  }



Compiler output:
main.c: In function 'main':
main.c:4:29: error: 'a' undeclared (first use in this function)
    4 |                 scanf("%d",&a);
      |                             ^
main.c:4:29: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:29: error: 'b' undeclared (first use in this function)
    5 |                 scanf("%d",&b);
      |                             ^
main.c:13:20: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   13 |             printf(c);
      |                    ^
      |                    |
      |                    int
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:21:20: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   21 |             printf(d);
      |                    ^
      |                    |
      |                    int
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:29:20: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   29 |             printf(e);
      |                    ^
      |                    |
      |                    int
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  cout << A + B << endl;
  cout << A - B << endl;
  cout << A * B << endl;
  }
　   int main(void)
    {
     int num1,num2,num3;
  
     cin >> num1;
     cin >> num2;
     cin >> num3;
  
     cout << max( {num1, num2, num3} );
  
  return 0;
}

Compiler output:
a.cc:9:1: error: extended character 　 is not valid in an identifier
    9 | 　   int main(void)
      | ^
a.cc: In function 'int main()':
a.cc:5:11: error: 'A' was not declared in this scope
    5 |   cout << A + B << endl;
      |           ^
a.cc:5:15: error: 'B' was not declared in this scope
    5 |   cout << A + B << endl;
      |               ^
a.cc: At global scope:
a.cc:9:1: error: '\U00003000' does not name a type
    9 | 　   int main(void)
      | ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  cout << A + B << endl;
  cout << A - B << endl;
  cout << A * B << endl;
  }
int main(void)
{
  int num1,num2,num3;
  
  cin >> num1;
  cin >> num2;
  cin >> num3;
  
  cout << max( {num1, num2, num3} );
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:11: error: 'A' was not declared in this scope
    5 |   cout << A + B << endl;
      |           ^
a.cc:5:15: error: 'B' was not declared in this scope
    5 |   cout << A + B << endl;
      |               ^
a.cc: At global scope:
a.cc:9:5: error: redefinition of 'int main()'
    9 | int main(void)
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main() {
      |     ^~~~
Language: Java

import java.util.*;

public class Main(){
  public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt():
    	int b = sc.nextInt();
    	int c = a+b;
    	int d=a-b;
      	 int e = a*b;
           if(c > d && c > e)

        {

            System.out.println(c);

        }

        else if(d > e)

        {

            System.out.println(d);

        }

        else

        {

            System.out.println(e);

        }
  }
}


Compiler output:
Main.java:3: error: '{' expected
public class Main(){
                 ^
Main.java:6: error: ';' expected
    	int a = sc.nextInt():
    	                    ^
2 errors
Language: Java

import java.util.*;

public class Main(){
  public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt():
    	int b = sc.nextInt();
    	int c = a+b;
    	int d;
    	if(a>b)
        {
          d=a-b;
        }
    	else
        {
          d=b-a;
        }
      	 int e = a*b;
            if(c > d && c > e)

        {

            System.out.println(c);

        }

        else if(d > e)

        {

            System.out.println(d);

        }

        else

        {

            System.out.println(e);

        }
  }
}


Compiler output:
Main.java:3: error: '{' expected
public class Main(){
                 ^
Main.java:6: error: ';' expected
    	int a = sc.nextInt():
    	                    ^
2 errors
Language: C++

#include <iostream>
#include <numeric>
#include <vector>
#include <cmath>
#include <string>
#include <algorithm>
#include <set>
#include <map>
using namespace std;
using ll=long long;
using pll=pair<ll,ll>;
const ll MOD=1000000007;
#define rep(i,a,b) for(ll i=a;i<b;i++)
#define rrep(i,a,b) for(ll i=b-1;i>=a;i--)
#define range(i) (i).begin(),(i).end()
#define rrange(i) (i).rbegin(),(i).rend()
inline ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; }
inline constexpr int intpow(ll a,ll b){
    if(b==0) return 1;
    ll ans=intpow(a,b/2);
    return ans*ans%MOD*(b&1?a:1)%MOD;
}
inline constexpr int modf(ll n){
    ll ans=1;
    rep(i,0,n) {ans=ans*(n-i)%MOD;}
    return ans;
}
int main(){
    ll a,b;
  cin>>a>>b;
  ll ans=a+b;
  chmax(ans,a-b);
  chmax(ans,a*b);
  cout<<ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:3: error: 'chmax' was not declared in this scope
   32 |   chmax(ans,a-b);
      |   ^~~~~
Language: C++

/*input
1 1
2 1
*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("unroll-loops,no-stack-protector")
//order_of_key #of elements less than x
// find_by_order kth element
typedef long long int ll;
#define ld long double
#define pii pair<int,int>
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(ll i=0;i<n;i++)
#define sz(_a) (ll)(_a.size())
#define FILL(n) memset(n,1,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
const ll maxn=505;
const ll maxlg=__lg(maxn)+2;
const ll INF64=8000000000000000000LL;
const int INF=0x3f3f3f3f;
const ll MOD=ll(1e9+7);
const ld PI=acos(-1);
const ld eps=1e-9;
ll mypow(ll a,ll b){
    ll res=1LL;
    while(b){
        if(b&1) res=res*a%MOD;
        a=a*a%MOD;
        b>>=1;
    }
    return res;
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n,m;
    cin>>n>>m;
    pii arr[n];
    REP(i,n){
        cin>>arr[i].s>>arr[i].f;
    }
    sort(arr,arr+n);
    int day=0;
    ll ans=0;
    for(int i=n-1;i>=0;i--)
        if(day+arr[i].s<=m){
            ans+=arr[i].f;
            ++day;
        }
    }
    cout<<ans;
}


Compiler output:
a.cc:58:5: error: 'cout' does not name a type
   58 |     cout<<ans;
      |     ^~~~
a.cc:59:1: error: expected declaration before '}' token
   59 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
typedef vector<int> VI;
 
template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }
#define _overload3(_1,_2,_3,name,...) name
#define _rep(i,n) repi(i,0,n)
#define repi(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)
#define all(x) (x).begin(),(x).end()

const int mod=1e9+7;
 
int main(){
  int a,b;cin>>a>>b;
  cout<<max({a+b,a-b,a*b*})<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:26: error: expected primary-expression before '}' token
   19 |   cout<<max({a+b,a-b,a*b*})<<endl;
      |                          ^
a.cc:19:12: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   19 |   cout<<max({a+b,a-b,a*b*})<<endl;
      |         ~~~^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 1 provided
Language: C++


int main()
{
	int N, M, A[10000], B[10000];
	int time, ans = 0;
	cin >> N >> M;



	for (int i = 0; i < N; i++) {
		cin >> A[i] >> B[i];
		time = M - i - A[i] + 1;
		if (time >= 0) {
			ans += B[i];
		}
	}

	cout << ans << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> N >> M;
      |         ^~~
a.cc:18:9: error: 'cout' was not declared in this scope
   18 |         cout << ans << endl;
      |         ^~~~
a.cc:18:24: error: 'endl' was not declared in this scope
   18 |         cout << ans << endl;
      |                        ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int a,b;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
  	cin>>a>>b>>c;
 	cout<<max(a-b,max(a+b,a*b));
  	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'c' was not declared in this scope
   12 |         cin>>a>>b>>c;
      |                    ^
Language: C

#include<stdio.h>
int main(){
  int a, b;
  int c, d, e, f;
  scanf("%d%d",&a,&b);
  c=a+b;
  d=a-b;
  e=a*b;
  
  if(c<d){
    if(d<e){
      f=e;
    }else{
      f=d;
    }else if(c<e){
      f=e;
    }else{
      f=c;
    }
  }
printf("%d",f);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:6: error: expected '}' before 'else'
   15 |     }else if(c<e){
      |      ^~~~
main.c: At top level:
main.c:21:8: error: expected declaration specifiers or '...' before string constant
   21 | printf("%d",f);
      |        ^~~~
main.c:21:13: error: unknown type name 'f'
   21 | printf("%d",f);
      |             ^
main.c:22:3: error: expected identifier or '(' before 'return'
   22 |   return 0;
      |   ^~~~~~
main.c:23:1: error: expected identifier or '(' before '}' token
   23 | }
      | ^
Language: C

#include<stdio.h>
void main()
{
  int a,b,sum=0,prod=1,diff=0;
  printf("enter the value of two variables a and b");
  scanf("%d%d",&a,&b);
  sum=a+b;
  diff=a-b;
  prod=a*b;
  if((sum>diff) && (sum>prod))
  {
    printf("%d big is:",sum);
  }
  elseif((diff>sum) && (diff>prod))
  {
    printf("%d big is:",diff);
  }
  else
  {
    printf("%d big is:",prod);
  }
}

Compiler output:
main.c: In function 'main':
main.c:14:3: error: implicit declaration of function 'elseif' [-Wimplicit-function-declaration]
   14 |   elseif((diff>sum) && (diff>prod))
      |   ^~~~~~
main.c:14:36: error: expected ';' before '{' token
   14 |   elseif((diff>sum) && (diff>prod))
      |                                    ^
      |                                    ;
   15 |   {
      |   ~
Language: C

#include<stdio.h>
#include<conio.h>
void main()
{
  int a,b,sum=0,prod=1,diff=0;
  printf("enter the value of two variables a and b");
  scanf("%d%d",&a,&b);
  sum=a+b;
  diff=a-b;
  prod=a*b;
  if((sum>diff) && (sum>prod))
  {
    printf("%d big is:",sum);
  }
  else if((diff>sum) && (diff>prod))
  {
    printf("%d big is:",diff);
  }
  else
  {
    printf("%d big is:",prod);
  }
}

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