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

#include<bits/stdc++.h>
using namespace std;
#define int long long
 int main(){
    int n;
    cin>>n;
    vector<int>a;
    for(int i=0;i<n;++i){
        int x;
        cin>>x;
        a.push_back(x);
    }
    sort(a.begin(),a.end());
    int ans=a[n-1];
    int cnt=2;
    int tmp=n-2;
    while(tmp){
        if(tmp>=2){
            ans+=2*a[n-cnt++];
            tmp-=2;
        }else{
            ans+=a[n-cnt++];
            break;
        }
    }
    cout<<ans<<endl;
}

Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

#include <bits/stdc++.h>

using namespace std;
#define ll long long int

void solve(){

	int N , a;
	cin>>N;
	int p = N-1;

	vector<int>v;
	
	for(int i = 0 ; i < N ;i++){
		cin>>a;
		v.push_back(a);
	}

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

	int c = v[N-1];
	int count = 1;

	for(int i = N-2; i>=0 ; i--){

		if(count < p){

			c = c + v[i];
			count++;
		}
		if(count < p){

			c = c + v[i];	
			count++;
		}
	}

	cout<<c<<"\n";

}




Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

int main() {
  int N;
  cin >> N;
  
  vector<int> A(N);
  for(int i=0;i<N;i++){
    cin >> A.at(i);
  }
  sort(A.begin(),A.end());
  
  int kokochi=0;
  for(int i=1;i<N;i++){
    kokochi+=A.at(i);
  }
  
  cout << kokochi << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> N;
      |   ^~~
a.cc:5:3: error: 'vector' was not declared in this scope
    5 |   vector<int> A(N);
      |   ^~~~~~
a.cc:5:10: error: expected primary-expression before 'int'
    5 |   vector<int> A(N);
      |          ^~~
a.cc:7:12: error: 'A' was not declared in this scope
    7 |     cin >> A.at(i);
      |            ^
a.cc:9:8: error: 'A' was not declared in this scope
    9 |   sort(A.begin(),A.end());
      |        ^
a.cc:9:3: error: 'sort' was not declared in this scope; did you mean 'short'?
    9 |   sort(A.begin(),A.end());
      |   ^~~~
      |   short
a.cc:16:3: error: 'cout' was not declared in this scope
   16 |   cout << kokochi << endl;
      |   ^~~~
a.cc:16:22: error: 'endl' was not declared in this scope
   16 |   cout << kokochi << endl;
      |                      ^~~~
Language: C++

v#include <bits/stdc++.h>
#define int long long
#define all(a) (a).begin(),(a).end()
using namespace std;


signed main(){
    ios_base::sync_with_stdio(0);

    int n; 
    cin >> n;
    vector<int>arr(n);
    for(int& i:arr)
        cin >> i;

    cout << accumulate(all(arr),0ll) - *min_element(all(arr)) << endl;

    return 0;
}



Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | v#include <bits/stdc++.h>
      |  ^
a.cc:1:1: error: 'v' does not name a type
    1 | v#include <bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:8:5: error: 'ios_base' has not been declared
    8 |     ios_base::sync_with_stdio(0);
      |     ^~~~~~~~
a.cc:11:5: error: 'cin' was not declared in this scope
   11 |     cin >> n;
      |     ^~~
a.cc:12:5: error: 'vector' was not declared in this scope
   12 |     vector<int>arr(n);
      |     ^~~~~~
a.cc:2:13: error: expected primary-expression before 'long'
    2 | #define int long long
      |             ^~~~
a.cc:12:12: note: in expansion of macro 'int'
   12 |     vector<int>arr(n);
      |            ^~~
a.cc:13:16: error: 'arr' was not declared in this scope
   13 |     for(int& i:arr)
      |                ^~~
a.cc:16:5: error: 'cout' was not declared in this scope
   16 |     cout << accumulate(all(arr),0ll) - *min_element(all(arr)) << endl;
      |     ^~~~
a.cc:16:28: error: 'arr' was not declared in this scope
   16 |     cout << accumulate(all(arr),0ll) - *min_element(all(arr)) << endl;
      |                            ^~~
a.cc:3:17: note: in definition of macro 'all'
    3 | #define all(a) (a).begin(),(a).end()
      |                 ^
a.cc:16:13: error: 'accumulate' was not declared in this scope
   16 |     cout << accumulate(all(arr),0ll) - *min_element(all(arr)) << endl;
      |             ^~~~~~~~~~
a.cc:16:41: error: 'min_element' was not declared in this scope
   16 |     cout << accumulate(all(arr),0ll) - *min_element(all(arr)) << endl;
      |                                         ^~~~~~~~~~~
a.cc:16:66: error: 'endl' was not declared in this scope
   16 |     cout << accumulate(all(arr),0ll) - *min_element(all(arr)) << endl;
      |                                                                  ^~~~
Language: C++

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

using namespace std;
using p=pair<int,int>;
typedef long long ll;

int main() {
  int n;
  cin >>n;
  vector<ll>a(n);
  rep(i,n){
    cin >> a[i];
  }
  ll tmp=0;
  for (i=0; i<n; ++i) {
    for (j=i+1; j<n; ++j) {
      if (a[i] < a[j]) {
        tmp =  a[i];
        a[i] = a[j];
        a[j] = tmp;
      }
    }
  }
  
  int c=a[0];
  int m=n-2;
  int r=1;
  while(m>2){
    c+=2*a[r];
    r++;
    m-=2;
  }
  if(m==2){
    c+=2*a[r];
  }
  else if(m==1){
    c+=a[r];
  }
  cout << c << endl;
  

 
  return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:8: error: 'i' was not declared in this scope
   16 |   for (i=0; i<n; ++i) {
      |        ^
a.cc:17:10: error: 'j' was not declared in this scope
   17 |     for (j=i+1; j<n; ++j) {
      |          ^
Language: Java

#include <bits/stdc++.h>
#include <iostream>
#include <string>

using namespace std;
int main(){
    int N;
    vector<long>arr;
    cin >> N;
    for(int i =0;i < N;i++){
        long a;
        cin >> a;
        arr.push_back(a);
    }
    long ans = 0;
    sort(arr.rbegin(),arr.rend());

    for(int i = 0;i < arr.size() - 1;i++){
        ans += arr[(i+1)/2];
    }
    cout << ans << endl;
}


Compiler output:
Main.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include <bits/stdc++.h>
         ^
Main.java:2: error: illegal character: '#'
#include <iostream>
^
Main.java:3: error: illegal character: '#'
#include <string>
^
Main.java:9: error: not a statement
    cin >> N;
        ^
Main.java:12: error: not a statement
        cin >> a;
            ^
Main.java:21: error: not a statement
    cout << ans << endl;
                ^
Main.java:6: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
8 errors
Language: C++

#include <bits/stdc++.h>

using namespace std;
int main(){
  long long ret = 0;
  int n;
  cin >> n;
  vector<long long> a(n)
  for(int i = 0; i < n; ++i ) cin >> a[i];
  sort(a.begin(),a.end());
  ret += a[n-1] * 2;
  for(int i = n-3; i >= 0; --i){
    ret += (a[n-1] + a[i+1]);
  }
  cout << ret << endl;
  return 0;
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 'for'
    9 |   for(int i = 0; i < n; ++i ) cin >> a[i];
      |   ^~~
a.cc:9:18: error: 'i' was not declared in this scope
    9 |   for(int i = 0; i < n; ++i ) cin >> a[i];
      |                  ^
Language: C++

#include "bits/stdc++"

using namespace std;
int main(){
  long long ret = 0;
  int n;
  cin >> n;
  vector<long long> a(n)
  for(int i = 0; i < n; ++i ) cin >> a[i];
  sort(a.begin(),a.end());
  ret += a[n-1] * 2;
  for(int i = n-3; i >= 0; --i){
    ret += (a[n-1] + a[i+1]);
  }
  cout << ret << endl;
  return 0;
  
  
}

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

import java.util.*;
public class Main{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int  n = sc.nextInt();
		int[] arr =new int[n];
		for(int i=0;i<n;i++){
			arr[i]=sc.nextInt();
		}
		if(n==1){
			System.out.println(0);
			return;
		}
		Arrays.sort(arr);
		long ans = arr[arr.length-1];
		int idx=-1;
        n=n-2
		for(int i=arr.length-2;i>=0;i--){
			ans=ans+2*arr[i];
			n=n-2;
			if(n<=0){
				idx=i;
				break;
			}
		}
		if(n==0){
			System.out.println(ans);
		}
		else{
			System.out.println(ans-arr[idx]);
		}
	}
}

Compiler output:
Main.java:17: error: ';' expected
        n=n-2
             ^
1 error
Language: Java

import java.util.*;
public class circle{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int  n = sc.nextInt();
		int[] arr =new int[n];
		for(int i=0;i<n;i++){
			arr[i]=sc.nextInt();
		}
		if(n==1){
			System.out.println(0);
			return;
		}
		Arrays.sort(arr);
		int ans = arr[arr.length-1];
        int ct=1;
		for(int i=arr.length-2;i>=0;i--){
			if(ct>=(n-1)){
				break;
			}
			ans=ans+arr[i];
			ct++;
			if(ct>=n-1){
				break;
			}
			ans=ans+arr[i];
			ct++;
		}
		System.out.println(ans);
	}
}

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

import sys
import math
import collections
import heapq

def set_debug(debug_mode=False):
    if debug_mode:
        fin = open('input.txt', 'r')
        sys.stdin = fin


def int_input():
    return list(map(int, input().split()))

def mex(d):
    i = 0
    while d[i]:
        i+=1
    return i


if __name__ == '__main__':
    # set_debug(True)

    # t = int(input())
    t = 1

    for ti in range(1, t + 1):
        n = int(input())

        A = int_input()

        A.sort(reverse=True)

        res = sum(A[:-1])

        print(res)



Compiler output:
a.cc:8:20: warning: multi-character literal with 9 characters exceeds 'int' size of 4 bytes
    8 |         fin = open('input.txt', 'r')
      |                    ^~~~~~~~~~~
a.cc:22:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   22 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:23:7: error: invalid preprocessing directive #set_debug
   23 |     # set_debug(True)
      |       ^~~~~~~~~
a.cc:25:7: error: invalid preprocessing directive #t
   25 |     # t = int(input())
      |       ^
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include<iostream>
#include<vector>
using namespace std;
using ll=long long;

int main(){
    ll N;
    cin>>N;
    vector<ll> A(N,0);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }
    sort(A.begin(),A.end(),greater<ll>());
    ll sum=0;
    for(int i=0;i<N-1;i++){
        sum+=A[(i+1)/2];
    }
    cout<<sum<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |     sort(A.begin(),A.end(),greater<ll>());
      |     ^~~~
      |     short
Language: C++

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

int main(){
    int n;
    cin >> n;
    vector<long long> a(n);
    for(int i = 0;i < n;i++){
        cin >> a[i];
    }
    /**/
    sort(a.begin(), a.end());
    reverse(a.begin(), a.end());

    long long ans = 0;

    t = n-1;
    for(int i = 0;i < n;i++){
    int lim = 2;
    if (i == 0) lim = 1;
    for(int j = 0;j < lim;j++) {
      if (t > 0) {
        ans += a[i];
        t--;
        //cout << t << endl;
      }
    }
  }

    cout << ans << endl;


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: 't' was not declared in this scope
   17 |     t = n-1;
      |     ^
Language: C++

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

int main(){
    int n;
    cin >> n;
    vector<long long> a(n);
    for(int i = 0;i < n;i++){
        cin >> a[i];
    }
    /**/
    sort(a.begin(), a.end());
    reverse(a.begin(), a.end());

    long long ans = 0;

    t = n-1;
    for(int i = 0;i < n;i++){
    int lim = 2;
    if (i == 0) lim = 1;
    for(int j = 0;j < lim;j++) {
      if (t > 0) {
        ans += a[i];
        t--;
        //cout << t << endl;
      }
    }
  }

    cout << ans << endl;


    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |     sort(a.begin(), a.end());
      |     ^~~~
      |     short
a.cc:14:5: error: 'reverse' was not declared in this scope
   14 |     reverse(a.begin(), a.end());
      |     ^~~~~~~
a.cc:18:5: error: 't' was not declared in this scope
   18 |     t = n-1;
      |     ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)n;++i)
#define REP(i,a,b) for(int i=int(a);i<(int)b;++i)
#define pb push_back



using namespace std;
using ll = long long;
const ll mod = 1000000007;
const double PI = acos(-1);
const ll INF = 1e9;




int main(void)
{
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);
    ll n,k,numneg=0,num=1;
    cin >> n >> k;
    vector<pair<ll ,bool>> a(n);
    bool flag = true;
    if(n == k){
        rep(i,n){
            ll x;
            cin >> x;
            num = num*x%mod;
        }
        if(num < 0)num += mod
        cout << num << endl;
        return 0;
    }
    rep(i,n){
        ll x;
        cin >> x;
        if(x >= 0){
            a[i].first = x;
            a[i].second = true;
            flag = false;
        }else{
            a[i].first = -x;
            a[i].second = false;
            numneg ++;
        }
    }

    sort(a.begin(),a.end());
    if(flag){
        if(k%2 == 1){
        rep(i,k){
            num = -num*a[i].first%mod;
        }
        num += mod;
        cout << num << endl;
        return 0;
        }else{
            rep(i,k){
                num = num*a[n-i-1].first%mod;
            }
            cout << num << endl;
            return 0;
        }
    }

    numneg = 0;
    ll pos=INF,neg=INF,numpos=0;
    rep(i,k){
        if(a[n-i-1].second){
            pos = n-i-1;
            numpos ++;
        }else{
            numneg ++;
            neg = n-i-1;
        }
    }
    if(numneg%2 == 0){
        rep(i,k){
            num = num*a[n-i-1].first%mod;
        }
        cout << num << endl;
        return 0;
    }
    ll pchan=-INF,nchan=-INF;
    for(ll i=n-k-1;i >= 0; i--){
        if(a[i].second && pchan == -INF){
            pchan = a[i].first;
        }else if(!a[i].second && nchan == -INF){
            nchan = a[i].first;
        }
    }
    if(!numpos){
        rep(i,k){
            if(n-i-1 != neg){
                num = num*a[n-i-1].first%mod;   
            }
        }
        num = num*pchan%mod;
        cout << num << endl;
        return 0;
    }
    if(pchan*a[pos].first >= nchan*a[neg].first){
        rep(i,k){
            if(n-i-1 != neg){
                num = num*a[n-i-1].first%mod;
            }
        }
        num = num*pchan%mod;
        cout << num << endl;
        return 0;
    }else{
        rep(i,k){
            if(n-i-1 != pos){
                num = num*a[n-i-1].first%mod;
            }
        }
        num = num*nchan%mod;
        cout << num << endl;
        return 0;
    }

    return 0;


}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:30: error: expected ';' before 'cout'
   31 |         if(num < 0)num += mod
      |                              ^
      |                              ;
   32 |         cout << num << endl;
      |         ~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n,m,k;
#define int long long
#define sc(x) scanf("%lld",&(x))
int A[200005];

int main()
{
   sc(n);
   for(int i=0;i < n;i++){
      sc(A[i]);
   }
   sort(A,A+n);
   int ans = 0;
   if(n == 1);
   else if(n==2){
    ans += A[n-1];
   }else if(n==3){
     ans += A[n-1]+A[n-2];
   }else{
      ans += A[n-1];
      for(int i=0;i<n-2;i++){
        ans += A[n-2-i/2];
      }
   }

  cout<<ans;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: Java

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String line = sc.nextLine();
        int member = Integer.parseInt(line);
      	long point =0;
        long[] friend = new long[member];
      	line = sc.nextLine();
       String[] fp = line.split(" ");
      	for(int i=1;i<member;i++){
          friend[i] = Long.parseLong(fp[i]);
        }
        Arrays.sort(friend,Collections.reverseOrder());
      	for(int k=1;k<member;k++){
            if(k%2 ==0){
              point = point + friend[k/2];
            }else{
              point = point + friend[((k-1)/2)];
            }
        }
      System.out.println(String.valueOf(point));
    }
}

Compiler output:
Main.java:15: error: no suitable method found for sort(long[],Comparator<Object>)
        Arrays.sort(friend,Collections.reverseOrder());
              ^
    method Arrays.<T#1>sort(T#1[],Comparator<? super T#1>) is not applicable
      (inference variable T#1 has incompatible bounds
        equality constraints: long
        upper bounds: Object)
    method Arrays.<T#2>sort(T#2[],int,int,Comparator<? super T#2>) is not applicable
      (cannot infer type-variable(s) T#2
        (actual and formal argument lists differ in length))
  where T#1,T#2 are type-variables:
    T#1 extends Object declared in method <T#1>sort(T#1[],Comparator<? super T#1>)
    T#2 extends Object declared in method <T#2>sort(T#2[],int,int,Comparator<? super T#2>)
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
1 error
Language: C++

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

int main(){
  int n, cnt=0;
  cin>>n;
  vector<int> a(n);
  for (int i=0; i<n; i++){
    cin>>a[i];
  }
  sort(a.begin(),a.end());
  cnt+=a[0];
  int i;
  for(i=0; i<(n-2)/2; i++){
    cnt+=a[i+1]*2
  }
  if(i%2==0) cnt+=a[i]
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   12 |   sort(a.begin(),a.end());
      |   ^~~~
      |   short
a.cc:16:18: error: expected ';' before '}' token
   16 |     cnt+=a[i+1]*2
      |                  ^
      |                  ;
   17 |   }
      |   ~               
a.cc:18:23: error: expected ';' before 'return'
   18 |   if(i%2==0) cnt+=a[i]
      |                       ^
      |                       ;
   19 |   return 0;
      |   ~~~~~~
Language: C

#include <stdio.h>

void sort(int *a,int n)
{
        int i,j,index,max;
        for(i=0;i<n;i++){
                max=a[i];index=i;
                for(j=i+1;j<n;j++){
                        if(max<a[j]){
                                max=a[j];
                                index=j;
                        }
                }
                a[index]=a[i];a[i]=max;
        }
        return ;
}
int main(void){
        int n,c=0;
        scanf("%d",&n);
        int a[n];
        for(i=0;i<n;i++)
                scanf("%d",&a[i]);

        sort(a,n);
        for(int i=0;i<n-1;i++)
                c+=a[i];
        printf("%d\n",c);
        return 0;
}


Compiler output:
main.c: In function 'main':
main.c:22:13: error: 'i' undeclared (first use in this function)
   22 |         for(i=0;i<n;i++)
      |             ^
main.c:22:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

void sort(int *a,int n)
{
        int i,j,index,max;
        for(i=0;i<n;i++){
                max=a[i];index=i;
                for(j=i+1;j<n:j++){
                        if(max<a[j]){
                                max=a[j];
                                index=j;
                        }
                }
                a[index]=a[i];a[i]=max;
        }
        return ;
}
int main(void){
        int n,c=0;
        scanf("%d",&n);
        int a[n];
        for(i=0;i<n;i++)
                scanf("%d",&a[i]);

        sort(a,n);
        for(i=0;i<n-1;i++)
                c+=a[i];
        printf("%d\n",c);
        return 0;
}


Compiler output:
main.c: In function 'sort':
main.c:8:30: error: expected ';' before ':' token
    8 |                 for(j=i+1;j<n:j++){
      |                              ^
      |                              ;
main.c: In function 'main':
main.c:22:13: error: 'i' undeclared (first use in this function)
   22 |         for(i=0;i<n;i++)
      |             ^
main.c:22:13: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define FOR(i,l,r) for(ll i=(l);i<(r);++i)
#define REP(i,n) FOR(i,0,n)
#define REPS(i,n) FOR(i,1,n+1)
#define RFOR(i,l,r) for(ll i=(l);i>=(r);--i)
#define RREP(i,n) RFOR(i,n-1,0)
#define RREPS(i,n) RFOR(i,n,1)
#define pb push_back
#define eb emplace_back
#define SZ(x) ((ll)(x).size())
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
template<class T = ll> using V = vector<T>;
template<class T = ll> using VV = V<V<T>>;
template<class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true; }return false; }
template<class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true; }return false; }
inline void Yes(bool b = true) {cout << (b ? "Yes" : "No") << '\n';}
inline void YES(bool b = true) {cout << (b ? "YES" : "NO") << '\n';}
inline void err(bool b = true) {if(b) {cout << -1 << '\n'; exit(0);}}
template<class T> inline void fin(bool b = true, T e = 0) {if(b) {cout << e << '\n'; exit(0);}}
template<class T> T Roundup_div(T x, T y) {return (x+(y-1))/y;}
const ll INF = 1e18;

ll res;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n; cin >> n;
    V<> a(n);
    REP(i,n) cin >> a[i];
    sort(rall(a));
    REP(i,n-1) res += a[Roundup_div(i, 2)];
    cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:36: error: no matching function for call to 'Roundup_div(long long int&, int)'
   35 |     REP(i,n-1) res += a[Roundup_div(i, 2)];
      |                         ~~~~~~~~~~~^~~~~~
a.cc:23:21: note: candidate: 'template<class T> T Roundup_div(T, T)'
   23 | template<class T> T Roundup_div(T x, T y) {return (x+(y-1))/y;}
      |                     ^~~~~~~~~~~
a.cc:23:21: note:   template argument deduction/substitution failed:
a.cc:35:36: note:   deduced conflicting types for parameter 'T' ('long long int' and 'int')
   35 |     REP(i,n-1) res += a[Roundup_div(i, 2)];
      |                         ~~~~~~~~~~~^~~~~~
Language: C++

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <stdio.h>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <utility>
#include <tuple>
#include <math.h>
#include <set>
#include <map>
using namespace std ;
using ll = long long ;
using ld = long double ;
using vll = vector<ll> ;
using vvll = vector<vll> ;
using vc = vector<char> ;
using vvc = vector<vc> ;
using vb = vector<bool> ;
using vvb = vector<vb> ;
using pll = pair<ll,ll> ;
#define all(v) v.begin(),v.end() 
const ll INF = 1e18 ;
const ll mod = 1e9+7 ;
const double pie = acos(-1); 
vll dx4 = {-1,0,1,0} ;
vll dy4 = {0,-1,0,1} ;
vll dx8 = {-1,0,1,1,1,0,-1,-1} ;
vll dy8 = {-1,-1,-1,0,1,1,1,0} ; 

void fix_cout(){cout << fixed << setprecision(20) ; }
ll gcd(ll a,ll b){if(b==0) return a ; return gcd(b,a%b) ; }
ll lcm(ll a,ll b){return a/gcd(a,b)*b ; }
void chmax(ll &a,ll b){if(a<b) a = b ; }
void chmin(ll &a,ll b){if(a>b) a = b ; }

int main(){
	ll n ; cin >> n ;
	ll sum = 0 ;
	ll mn = INF ;
	for(int i=0;i<n;i++){
		ll a ; cin >> a ;
		sum += a ;
		chmin(mn,a) ;
	}
	cout << sum-min << endl ;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:20: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator-'
   49 |         cout << sum-min << endl ;
      |                 ~~~^~~~
Language: C++

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


int main()
{
  int count;
  cin>>count;
  vector<int>all;
  for(int i=0;i<count;i++)
  {
    int first;
    cin>>first;
    all.push_back(first);
  }
  
  sort(all.rbegin(),all.rend());
  vector<int>b;
  for(int i=0;i<count;i++)
  {
    b.push_back(all[i]);
    if(i!=0)
      b.push_back(all[i]);
  }
  
  long long int ans=0;
  for(int i=0;i<n-1;i++){
    ans+=b[i];
  }
  
  cout<<ans<<endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:17: error: 'n' was not declared in this scope
   27 |   for(int i=0;i<n-1;i++){
      |                 ^
Language: C++

#include<bits/stdc++.h>
using namepsace std;
int main()
{
  long long int count;
  cin>>count;
  //vector<long long int>nish;
  long long int ans=0;
  int mini=INT_MAX;
  for(int i=0;i<count;i++)
  {
  	  int first;
    cin>>first;
    ans+=first;
    mini=min(mini,first);
  }
  
  cout<<ans-mini<<endl;
  
  return 0;
}
    


Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namepsace'
    2 | using namepsace std;
      |       ^~~~~~~~~
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>>count;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:15:10: error: 'min' was not declared in this scope; did you mean 'std::min'?
   15 |     mini=min(mini,first);
      |          ^~~
      |          std::min
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:18:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   18 |   cout<<ans-mini<<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:18:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   18 |   cout<<ans-mini<<endl;
      |                   ^~~~
      |                   std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  long long int count;
  cin>>count;
  //vector<long long int>nish;
  long long int ans=0;
  int mini=INT_MAX;
  for(int i=0;i<count;i++)
  {
  	  long long int first;
    cin>>first;
    ans+=first;
    mini=min(mini,first);
  }
  
  cout<<ans-mini<<endl;
  
  return 0;
}
    


Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: no matching function for call to 'min(int&, long long int&)'
   15 |     mini=min(mini,first);
      |          ~~~^~~~~~~~~~~~
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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:15:13: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   15 |     mini=min(mini,first);
      |          ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:15:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   15 |     mini=min(mini,first);
      |          ~~~^~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namepsace std;
int main()
{
  long long int count;
  cin>>count;
  //vector<long long int>nish;
  long long int ans=0;
  int mini=INT_MAX;
  for(int i=0;i<count;i++)
  {
  	  long long int first;
    cin>>first;
    ans+=first;
    mini=min(mini,first);
  }
  
  cout<<ans-mini<<endl;
  
  return 0;
}
    

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namepsace'
    2 | using namepsace std;
      |       ^~~~~~~~~
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>>count;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:15:10: error: 'min' was not declared in this scope; did you mean 'std::min'?
   15 |     mini=min(mini,first);
      |          ^~~
      |          std::min
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:18:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   18 |   cout<<ans-mini<<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:18:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   18 |   cout<<ans-mini<<endl;
      |                   ^~~~
      |                   std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

int n;
   cin>>n;
   std::vector<int> v(n);
 
   for(int i=0; i<n; i++)cin>> v[i];
 
   sort(v.begin(), v.end(), greater<int>()); 
 
   ll ans =0;
 
   ans += v[0];
 
   n -= 2;
   int i=1;
   while(n>=2)
   {
      ans +=2*v[i];
      n-=2;
      i++;
   }
 
   if(n)
   {
      ans += v[i];
   }
   cout<<ans<<endl;

Compiler output:
a.cc:2:4: error: 'cin' does not name a type
    2 |    cin>>n;
      |    ^~~
a.cc:3:9: error: 'vector' in namespace 'std' does not name a template type
    3 |    std::vector<int> v(n);
      |         ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | int n;
a.cc:5:4: error: expected unqualified-id before 'for'
    5 |    for(int i=0; i<n; i++)cin>> v[i];
      |    ^~~
a.cc:5:17: error: 'i' does not name a type
    5 |    for(int i=0; i<n; i++)cin>> v[i];
      |                 ^
a.cc:5:22: error: 'i' does not name a type
    5 |    for(int i=0; i<n; i++)cin>> v[i];
      |                      ^
a.cc:7:8: error: expected constructor, destructor, or type conversion before '(' token
    7 |    sort(v.begin(), v.end(), greater<int>());
      |        ^
a.cc:9:4: error: 'll' does not name a type
    9 |    ll ans =0;
      |    ^~
a.cc:11:4: error: 'ans' does not name a type
   11 |    ans += v[0];
      |    ^~~
a.cc:13:4: error: 'n' does not name a type
   13 |    n -= 2;
      |    ^
a.cc:15:4: error: expected unqualified-id before 'while'
   15 |    while(n>=2)
      |    ^~~~~
a.cc:22:4: error: expected unqualified-id before 'if'
   22 |    if(n)
      |    ^~
a.cc:26:4: error: 'cout' does not name a type
   26 |    cout<<ans<<endl;
      |    ^~~~
Language: C++

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

signed main(){
    int n;
    cin >> n;
  	int a[n], ans = 0;
	for(int i = 0; i < n; ++i)
      	cin >> a[i];
  	sort(a, a + n, greater<int>());
  	
 	ans = a[0];
  	for(int i = 1, j = 1; i < n; ++i){
    	ans += [j];
      	if(i%2 == 0)
          ++j;
    }
  	
  	cout << ans << endl;
  
}

Compiler output:
a.cc: In lambda function:
a.cc:15:19: error: expected '{' before ';' token
   15 |         ans += [j];
      |                   ^
a.cc: In function 'int main()':
a.cc:15:13: error: no match for 'operator+=' (operand types are 'long long int' and 'main()::<lambda()>')
   15 |         ans += [j];
      |         ~~~~^~~~~~
Language: C++

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

int main(){
    int n;
    cin >> n;
  	int a[n], ans = 0;
	for(int i = 0; i < n; ++i)
      	cin >> a[i];
  	sort(a, a + n, greater<int>());
  	
 	ans = a[0];
  	for(int i = 1, j = 1; i < n; ++i){
    	ans += [j];
      	if(i%2 == 0)
          ++j;
    }
  	
  	cout << ans << endl;
  
}

Compiler output:
a.cc: In lambda function:
a.cc:14:19: error: expected '{' before ';' token
   14 |         ans += [j];
      |                   ^
a.cc: In function 'int main()':
a.cc:14:13: error: no match for 'operator+=' (operand types are 'int' and 'main()::<lambda()>')
   14 |         ans += [j];
      |         ~~~~^~~~~~
Language: C++

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

int main(){
    int n;
    cin >> n;
  	int a[n], ans = 0;
	for(int i = 0; i < n; ++i)
      	cin >> a[i];
  	sort(a, a + n, greater<int>());
  	
 	ans = [0];
  	for(int i = 1, j = 1; i < n; ++i){
    	ans += [j];
      	if(i%2 == 0)
          ++j;
    }
  	
  	cout << ans << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:16: error: expected identifier before numeric constant
   12 |         ans = [0];
      |                ^
a.cc: In lambda function:
a.cc:12:18: error: expected '{' before ';' token
   12 |         ans = [0];
      |                  ^
a.cc: In function 'int main()':
a.cc:12:15: error: invalid user-defined conversion from 'main()::<lambda()>' to 'int' [-fpermissive]
   12 |         ans = [0];
      |               ^~~
a.cc:12:15: note: candidate is: 'constexpr main()::<lambda()>::operator void (*)()() const' (near match)
   12 |         ans = [0];
      |               ^
a.cc:12:15: note:   no known conversion from 'void (*)()' to 'int'
a.cc: In lambda function:
a.cc:14:19: error: expected '{' before ';' token
   14 |         ans += [j];
      |                   ^
a.cc: In function 'int main()':
a.cc:14:13: error: no match for 'operator+=' (operand types are 'int' and 'main()::<lambda()>')
   14 |         ans += [j];
      |         ~~~~^~~~~~
Language: C++

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

const int N = 2e5+10;
int n, a[N], mn = 1e9+1;
ll ans;

int main() {
  cin >> n;
  for(int i = 0; i < n; ++i) {
    cin >> a[i];
    ans += a[i];
    mn = min(mn, a[i]);
  }
  cout << ans-mn << endl;
  return 0;
}

Compiler output:
a.cc:6:1: error: 'll' does not name a type
    6 | ll ans;
      | ^~
a.cc: In function 'int main()':
a.cc:12:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   12 |     ans += a[i];
      |     ^~~
      |     abs
a.cc:15:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   15 |   cout << ans-mn << endl;
      |           ^~~
      |           abs
Language: C++

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

int main()
{
	int N;
  	cin >> N;
  
  	vector<int> A(N);
  	int i;
  	for(i=o;i<N;i++){
		cin >> A.at(i);
    }
  	sort(A.begin(),A.end());
  	int Max = A.at(N-1);
    int Next = A.at(N-2);
  	cout << Max + Next * (N-2) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: 'o' was not declared in this scope
   11 |         for(i=o;i<N;i++){
      |               ^
Language: C++

#include<bits/stdc++.h>
#define ll long long int
#define loop(i,a,b) for(i=a;i<b;i++)
#define mod   998244353
#define INF 1000000000000
#define pb push_back
#define lim 200001
using namespace std;

int main()
{ll i,j,n,mn=INF,s=0;
	cin>>n;
	ll a[n];

	loop(i,0,n) {
		cin>>a[i];
	}

	ll cnt=2,i=n-2;
	sort(a,a+n);
	s=a[n-1];

	while(cnt<n)
	{
		ll rem=min((ll)2,n-cnt);

		s+=rem*a[i];
		cnt+=rem;
		i--;
	}


	cout<<s<<endl;
	return 0;}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:18: error: redeclaration of 'long long int i'
   19 |         ll cnt=2,i=n-2;
      |                  ^
a.cc:11:5: note: 'long long int i' previously declared here
   11 | {ll i,j,n,mn=INF,s=0;
      |     ^
Language: C++

#include<stdio.h>
#include<stdlib.h>
#pragma GCC optimize("O2")
#define rep(i,N) for(int i=0;i<(int)N;i++)
#define swap(a,b) ((a!=b)&&(a+=b,b=a-b,a-=b))
static inline int IN(void)
{
  int x=0,f=0,c=getchar();while(c<48||c>57){f^=c==45,c=getchar();}
  while(c>47&&c<58){x=x*10+c-48,c=getchar();}return f?-x:x;
}
int BFPRT(int *v,int n,int k)
{
  if(n==1&&k==0)return v[0];
  int m=(n+4)/5,*medians=(int*)malloc(sizeof(int)*m),*w,temp;
  rep(i,m)
  {
    if(5*i+4<n)
    {
      *w=v+5*i;
      rep(j,3){temp=j;rep(k,j+6){if(w[j+1+k]<w[temp])temp=j+1+k;}swap(w[j],w[temp]);}
      medians[i]=w[2];
    }else{medians[i]=v[5*i];}
  }
  int pivot=BFPRT(medians, m, m/2);
  free(medians);
  rep(i,n){if(v[i]==pivot){swap(v[i],v[n-1]);break;}}
  int store=0;
  rep(i,n-1){if(v[i]<pivot){swap(v[i],v[store++]);}}
  swap(v[store],v[n-1]);
  if(store==k){return pivot;}
  else if(store>k){return BFPRT(v,store,k);}
  else{return BFPRT(v+store+1,n-store-1,k-store-1);}
}
int main()
{
  int i=0,N=IN(),A[200000],m=2e9;long sum=0;
  while(i<N){A[i++]=IN();m=m<A[i-1]?m:A[i-1];sum+=BFPRT(A,i,i/2);}
  return printf("%ld\n",sum-m),0;
}

Compiler output:
a.cc: In function 'int BFPRT(int*, int, int)':
a.cc:19:11: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   19 |       *w=v+5*i;
      |          ~^~~~
      |           |
      |           int*
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i, n) cin >> a[i];
  sort(a.rbegin(). a.rend());
  ll ans = 0;
  int t = n-1;
  rep(i,n){
    int lim = 2;
    if(i==0) lim = 1;
    rep(j,lim){
      if(t > 0){
        ans += a[i];
        t--;
      }
    }
  }
  
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'std::vector<int>::reverse_iterator' {aka 'class std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} has no member named 'a'
   12 |   sort(a.rbegin(). a.rend());
      |                    ^
Language: C++

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

int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i, n) cin >> a[i];
  sort(a.rbegin(). a.rend());
  ll ans = 0;
  int t = n-1;
  rep(i,n){
    int lim = 2;
    if(i==0) lim = 1;
    rep(j,lim){
      if(t > 0){
        ans += a[i];
        t--;
      }
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'std::vector<int>::reverse_iterator' {aka 'class std::reverse_iterator<__gnu_cxx::__normal_iterator<int*, std::vector<int> > >'} has no member named 'a'
   12 |   sort(a.rbegin(). a.rend());
      |                    ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rep(i,a,b) for(int i=a;i<b;i++)
const int MAXN = 2e5+10;
int cnt[MAXN];
typedef long long ll;
ll mex(ll arr[],ll n){
	ll h;
	fill(cnt,cnt+n+1,0);
    rep(i,0,n){
    	 cnt[arr[i]]++;
    }
    rep(i,0,n+1){
    if(!cnt[i]){
    	h=i;
    	break;
    }
   }
   return h;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);  
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ll n,a,sum=0;cin>>n;
    std::vector<ll> arr;
    rep(i,0,n){
    	cin>>a;
    	arr.pb(a);
    }
    if(n>1){
    sort(arr.rbegin(),arr.rend());
    for(int i=0;i<n-1;i++){
    	sum+=arr[i];
    }
    cout<<sum<<endl;
    else{
    	cout<<0<<endl;
    }
    return 0;
}












Compiler output:
a.cc: In function 'int main()':
a.cc:44:5: error: expected '}' before 'else'
   44 |     else{
      |     ^~~~
a.cc:38:12: note: to match this '{'
   38 |     if(n>1){
      |            ^
Language: C++

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

int main()
{
    ll N;
    cin >> N;
    vector<ll> A(N);
    for(int i=0;i<N;i++){
        cin >> A[i];
    }
    sort(A.begin(), A.end(), greater<ll>());

    ll res = 0;
    for(int i=0;i<N-1;i++){
        res += A[i];
    }
    cout << res << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'cin' was not declared in this scope
    9 |     cin >> N;
      |     ^~~
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:10:5: error: 'vector' was not declared in this scope
   10 |     vector<ll> A(N);
      |     ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | using namespace std;
a.cc:10:14: error: expected primary-expression before '>' token
   10 |     vector<ll> A(N);
      |              ^
a.cc:10:16: error: 'A' was not declared in this scope
   10 |     vector<ll> A(N);
      |                ^
a.cc:14:30: error: 'greater' was not declared in this scope
   14 |     sort(A.begin(), A.end(), greater<ll>());
      |                              ^~~~~~~
a.cc:14:40: error: expected primary-expression before '>' token
   14 |     sort(A.begin(), A.end(), greater<ll>());
      |                                        ^
a.cc:14:42: error: expected primary-expression before ')' token
   14 |     sort(A.begin(), A.end(), greater<ll>());
      |                                          ^
a.cc:14:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   14 |     sort(A.begin(), A.end(), greater<ll>());
      |     ^~~~
      |     short
a.cc:20:5: error: 'cout' was not declared in this scope
   20 |     cout << res << endl;
      |     ^~~~
a.cc:20:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:20:20: error: 'endl' was not declared in this scope
   20 |     cout << res << 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.*;
import java.util.Scanner;

public class ABC170 {
	
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		int[] a=new int[n+1];
		
		for(int i=1;i<=n;i++) {
			a[i]=sc.nextInt();
		}
		
		Arrays.sort(a);
		
		long ans=0;
	
		for(int i=1;i<=n-1;i++) {
			//if(i/2==0)ans+=a[n-1];
			ans+=a[n-i/2];
		}
		
	    System.out.println(ans);
	}
}


Compiler output:
Main.java:4: error: class ABC170 is public, should be declared in a file named ABC170.java
public class ABC170 {
       ^
1 error
Language: C++

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

int a[200010];

int main()
{
  int N; cin >> N;
  for (int i = 0; i < N; ++i) cin >> a[i];
  sort(a, a + N, greater<int>());
  int counter = N - 1;
  int ans = a[0];
  counter--;
  
  for (int i = 1; i < N; ++i) {
    for (int j = 0; j < 2; ++j) {
      if (counter == 0) goto nxt;
      ans += a[i];
      counter--;
    }
  }
  end:;
  
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:30: error: label 'nxt' used but not defined
   19 |       if (counter == 0) goto nxt;
      |                              ^~~
Language: C++

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

unsigned long long int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);


    unsigned long long int n;
    cin >> n;

    if(n == 2)
    {
        unsigned long long int x, y;
        cin >> x >> y;

        cout << max(x,y) << endl;
        return 0;
    }

    vector<unsigned long long int> v(n);

    for(unsigned long long int i = 0; i < n; i++)
    {
        cin >> v[i];
    }

    sort(v.begin(), v.end(), greater<unsigned long long int>());

    unsigned long long int counter = 0;
    unsigned long long int j = 1;

    counter += v[0];

    for(unsigned long long int i = 2; i < n; i++)
    {
        counter += v[j];
        i++;
        if(i < n)
        {
            counter += v[j];
        }
        j++;
    }

    cout << counter << endl;

}



Compiler output:
a.cc:5:20: error: '::main' must return 'int'
    5 | unsigned long long int main()
      |                    ^~~
Language: C++

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

int main() {
	int n;
	cin>>n;
	int arr[n];
	for(int i=0;i<n;i++){
		cin>>arr[i];
	}
	long long int sum =0;
	long long int min1=INT_MAX;
	for(int i=0;i<n;i++){
		sum+=arr[i];
		min1= min(min1,arr[i]);
	}
	cout<<sum-min1<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:26: error: no matching function for call to 'min(long long int&, int&)'
   15 |                 min1= min(min1,arr[i]);
      |                       ~~~^~~~~~~~~~~~~
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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   15 |                 min1= min(min1,arr[i]);
      |                       ~~~^~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:15:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   15 |                 min1= min(min1,arr[i]);
      |                       ~~~^~~~~~~~~~~~~