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

#include <iostream>
#include <queue>

using namespace std;

int main() {
  int n = 0, item = 0, res = 0;
  cin >> n;
  priority_queue<int> q;
    while (--n >= 0) {
    	cin >> item;
      q.push(item);
    }
  item = q.top();
  q.pop();
  res += item;
  int sz = q.size()-1;
  while (sz > 0) {
    item = q.top();
    q.pop();
    if (sz > 1) {
      res += item*2;
      sz - = 2;
    } else {
      res += item;
      sz--;
    }
  }
  cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:12: error: expected primary-expression before '=' token
   23 |       sz - = 2;
      |            ^
Language: C++

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

const int INF = 1e9;
const int MOD = 1e9+7;
const ll LINF = 1e18;

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) for(int i=0;i<(n);++i)
#define COUT(x) cout<<(x)<<"\n"

int main(){
    int n;cin >>n;
    vector<int> a(n);
    REP(i,n)cin >> a[i];
    sort(a.begin(),a.end()greater<int>());
    ll ans = a[0];
    int tes = 2,count = 0;
    for(int i=1;i<n;){
        if(tes==n)break;
        count++;
        tes++;
        ans += a[i];
        if(count%2==0){
            count = 0;
            i++;
        }
    }
    COUT(ans);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:27: error: expected ')' before 'greater'
   17 |     sort(a.begin(),a.end()greater<int>());
      |         ~                 ^~~~~~~
      |                           )
Language: C++

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

int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  for (int &i : a) cin >> i;
  sort(a.rbegin(), a.rend());
  long long ans = 0;
  for (int i = 1; i < n; i++) {
    ans += a(i / 2);
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:13: error: no match for call to '(std::vector<int>) (int)'
   12 |     ans += a(i / 2);
      |            ~^~~~~~~
Language: Java

import java.util.*;
import java.io.*;


public class ymt {

    public static void main(String[] args) throws IOException
    {
        PrintWriter out = new PrintWriter(System.out);
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int n = Integer.parseInt(br.readLine());
        Long arr[] = new Long[n];
        StringTokenizer st1 = new StringTokenizer(br.readLine());
        for(int i = 0 ; i < n ; i++)
        {
            arr[i] = Long.parseLong(st1.nextToken());
        }
        Arrays.sort(arr);
        long sum = arr[n-1];
        int ind = n-2;
        for(int i = 0 ; i < n-2 ; i++)
        {
            sum += arr[ind];

            if(i%2 != 0)
                ind--;
        }
        out.println(sum);

        out.flush();
        out.close();

    }

    static class pair{
        long x1;
        long x2;

        public pair(long x1 , long x2)
        {
            this.x1 = x1;
            this.x2 = x2;
        }

    }

}


Compiler output:
Main.java:5: error: class ymt is public, should be declared in a file named ymt.java
public class ymt {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,i;
  cin>>n;
  int arr[n],sum=0
  for(i=0;i<n;i++){
    cin>>arr[i];
  }sort(arr,arr+n);
  for(i=0;i<n-1;i++){
    sum+=arr[i];
  }
  cout<<sum<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected ',' or ';' before 'for'
    7 |   for(i=0;i<n;i++){
      |   ^~~
a.cc:7:18: error: expected ';' before ')' token
    7 |   for(i=0;i<n;i++){
      |                  ^
      |                  ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin>>n;
  int arr[n],sum=0
  for(int i=0;i<n;i++){
    cin>>arr[i];
   sum=sum+arr[i];
  }cout<<sum-1<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected ',' or ';' before 'for'
    7 |   for(int i=0;i<n;i++){
      |   ^~~
a.cc:7:15: error: 'i' was not declared in this scope
    7 |   for(int i=0;i<n;i++){
      |               ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define tcase int _; cin >> _; while(_--)
const int MAX = 1e6;

int n;
int v[MAX];

#define pii pair<int,int>
#define mp make_pair

struct cmp {
	operator() (pii a, pii b) {
		return min(a.first, a.second) < min(b.first, b.second);
	}
};

void solve() {
	cin >> n;
	for(int i=0; i<n; i++) cin >> v[i];
	sort(v, v+n, greater<int>());
	priority_queue<pii, vector<pii>, cmp> q;
	q.push(mp(v[0], v[0]));
	ll ans = 0ll;
	for(int i=1; i<n; i++) {
		pii p = q.top();
		q.pop();
		int l = p.first;
		int r = p.second;
		ans += min(l, r);
		q.push(mp(l, v[i]));
		q.push(mp(v[i], r));
	}
	cout << ans << "\n";
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

 	solve();

  	return 0;
}



Compiler output:
a.cc:14:9: error: ISO C++ forbids declaration of 'operator()' with no type [-fpermissive]
   14 |         operator() (pii a, pii b) {
      |         ^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define tcase int _; cin >> _; while(_--)
const int MAX = 1e6;

int n;
int v[MAX];

#define pii pair<int,int>
#define mp make_pair

struct cmp {
	operator() (pii a, pii b) {
		return min(a.first, a.second) < min(b.first, b.second);
	}
};

// 5 3 1 4 2 

void solve() {
	cin >> n;
	for(int i=0; i<n; i++) cin >> v[i];
	sort(v, v+n, greater<int>());
	priority_queue<pii, vector<pii>, cmp> q;
	q.push(mp(v[0], v[0]));
	ll ans = 0ll;
	for(int i=1; i<n; i++) {
		pii p = q.top();
		q.pop();
		int l = p.first;
		int r = p.second;
		ans += min(l, r);
		q.push(mp(l, v[i]));
		q.push(mp(v[i], r));
	}
	while(q.size()) {
		cout << q.top().first << " " << q.top().second << "\n";
		q.pop();
	}
	cout << ans << "\n";
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

 	solve();

  	return 0;
}



Compiler output:
a.cc:14:9: error: ISO C++ forbids declaration of 'operator()' with no type [-fpermissive]
   14 |         operator() (pii a, pii b) {
      |         ^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define tcase int _; cin >> _; while(_--)
const int MAX = 1e6;

int n;
int v[MAX];

#define pii pair<int,int>
#define mp make_pair

void solve() {
	cin >> n;
	for(int i=0; i<n; i++) cin >> v[i];
	sort(v, v+n, greater<int>());
	priority_queue<pii, vector<pii>, greater<pii>> q;
	q.push(mp(v[0], v[0]));
	ll ans = 0ll;
	for(int i=1; i<n; i++{
		pii p = q.top();
		q.pop();
		int l = p.first;
		int r = p.second;
		ans += min(l, r);
		q.push(mp(l, v[i]));
		q.push(mp(v[i], r));
	}
	cout << ans << "\n";
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

 	solve();

  	return 0;
}



Compiler output:
a.cc: In function 'void solve()':
a.cc:20:30: error: expected ')' before '{' token
   20 |         for(int i=1; i<n; i++{
      |            ~                 ^
      |                              )
Language: C++

/* **********************************JAI SAI RAM ************************************* */ //HELP IN CODEFORCES ROUND 641 #include<bits/stdc++.h> using namespace std; typedef long long int ll; ll P=1000000007; ll MAX=1e15; ll MIN=-1*(1e15); ll a[200001]; void  answer() {     ll n,i,j,k,l,m,o,q,r,t;     ll ans=0;     cin>>n;     for(i=0;i<n;i++)     {         cin>>a[i];     }     sort(a,a+n);     ans+=a[n-1];     j=n-2;     for(i=n-3;i>=0;)     {       if(i>=0)       {       ans+=a[j];       i--;       }       if(i>=0)       {       ans+=a[j];       i--;       }       j--;     }     cout<<ans<<endl; } int main() {     ll t;     t=1;     while(t--)     {         answer();     }     return 0; } 

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++

#include<iostream>
#include<vector>

using namespace std;
int main(){
  int n;
  cin>>n;
    vector<int> v(n);
  for(int i=0;i<n;i++)
  {
    cin>>v[i];
  }
  qsort(v.begin(),v.end());
  int min=v[n-1];
  int comfort=v[n-1];
  for(int i=n-3;i>=0;i--){
    if(v[i]<min)
      min=v[i];
    comfort+=min;
  }
  cout<<comfort;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:16: error: cannot convert 'std::vector<int>::iterator' to 'void*'
   13 |   qsort(v.begin(),v.end());
      |         ~~~~~~~^~
      |                |
      |                std::vector<int>::iterator
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/c++/14/ext/string_conversions.h:43,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 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/stdlib.h:970:26: note:   initializing argument 1 of 'void qsort(void*, size_t, size_t, __compar_fn_t)'
  970 | extern void qsort (void *__base, size_t __nmemb, size_t __size,
      |                    ~~~~~~^~~~~~
Language: C++

#include<iostream>
#include<vector>

using namespace std;
int main(){
  int n;
  cin>>n;
    vector<int> v(n);
  for(int i=0;i<n;i++)
  {
    cin>>v[i];
  }
  sort(v.begin(),v.end());
  int min=v[n-1];
  int comfort=v[n-1];
  for(int i=n-3;i>=0;i--){
    if(v[i]<min)
      min=v[i];
    comfort+=min;
  }
  cout<<comfort;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(v.begin(),v.end());
      |   ^~~~
      |   short
Language: C++

#include<iostream>
using namespace std;
int main(){
  int n;
  cin>>n;
    vector<int> v(n);
  for(int i=0;i<n;i++)
  {
    cin>>v[i];
  }
  sort(v.begin(),v.end());
  int min=v[n-1];
  int comfort=v[n-1];
  for(int i=n-3;i>=0;i--){
    if(v[i]<min)
      min=v[i];
    comfort+=min;
  }
  cout<<comfort;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'vector' was not declared in this scope
    6 |     vector<int> v(n);
      |     ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:6:12: error: expected primary-expression before 'int'
    6 |     vector<int> v(n);
      |            ^~~
a.cc:9:10: error: 'v' was not declared in this scope
    9 |     cin>>v[i];
      |          ^
a.cc:11:8: error: 'v' was not declared in this scope
   11 |   sort(v.begin(),v.end());
      |        ^
a.cc:11:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |   sort(v.begin(),v.end());
      |   ^~~~
      |   short
Language: C++

#include<iostream>
using namespace std;
int main(){
  int n;
  int arr[n];
  cin>>n;
  for(int i=0;i<n;i++)
  {
    cin>>arr[i];
  }
  sort(arr.begin(),arr.end());
  int min=arr[n-1];
  int comfort=arr[n-1]
  for(int i=n-3;i>=0;i--){
    if(arr[i]<min)
      min=arr[i];
    comfort+=min;
  }
  cout<<comfort;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: request for member 'begin' in 'arr', which is of non-class type 'int [n]'
   11 |   sort(arr.begin(),arr.end());
      |            ^~~~~
a.cc:11:24: error: request for member 'end' in 'arr', which is of non-class type 'int [n]'
   11 |   sort(arr.begin(),arr.end());
      |                        ^~~
a.cc:11:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |   sort(arr.begin(),arr.end());
      |   ^~~~
      |   short
a.cc:14:3: error: expected ',' or ';' before 'for'
   14 |   for(int i=n-3;i>=0;i--){
      |   ^~~
a.cc:14:17: error: 'i' was not declared in this scope
   14 |   for(int i=n-3;i>=0;i--){
      |                 ^
Language: C++

#include <algorithm>
using namespace std;

int N;
int A[2000001];

int main() {
  cin >> N;
  for (int i = 0; i < N; i++) {
    cin >> A[i];
  }
  
  sort(A, A + N);
  
  int ans = 0;
  for (int i = 1; i < N; i++) {
	ans += A[N - (i / 2) - 1];
  }
  cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope
    8 |   cin >> N;
      |   ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include <algorithm>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:19:3: error: 'cout' was not declared in this scope
   19 |   cout << ans;
      |   ^~~~
a.cc:19:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); ++i)
#define rep2(i,n) for(int i=1; i<=(n); ++i)
#define all(x) (x).begin(),(x).end()
#define Sort(x) sort((x).begin(),(x).end())
#define Sort2(x) sort((x).begin(),(x).end(), greater<int>())
#define pb push_back
using namespace std;
using ll = long long;
using P = pair<int,int>;
using Graph = vector<vector<int>>;

int main()
{
    int n; cin >> n;
    vector<int> a(n); rep(i, n) cin >> a[i];
    Sort2(a);
    ll ans = 0;
    int t = n - 1;
    rep(i,n){
        ll lim = 2;
        if(i == 0) lim = 1;
        rep(j,lim){
            if(t > 0){
                ans += a[i];
                t--;
            }
        }
    }
    cout << ans << endl;
}

/*
g++ d.cpp
./a.out

oj d https://atcoder.jp/contests/abc172/tasks/abc172_c
g++ c.cpp
oj t
*/
#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); ++i)
#define rep2(i,n) for(int i=1; i<=(n); ++i)
#define all(x) (x).begin(),(x).end()
#define Sort(x) sort((x).begin(),(x).end())
#define Sort2(x) sort((x).begin(),(x).end(), greater<int>())
#define pb push_back
using namespace std;
using ll = long long;
using P = pair<int,int>;
using Graph = vector<vector<int>>;

int main()
{
    int n; cin >> n;
    vector<int> a(n); rep(i, n) cin >> a[i];
    Sort2(a);
    ll ans = 0;
    int t = n - 1;
    rep(i,n){
        ll lim = 2;
        if(i == 0) lim = 1;
        rep(j,lim){
            if(t > 0){
                ans += a[i];
                t--;
            }
        }
    }
    cout << ans << endl;
}

/*
g++ d.cpp
./a.out

oj d https://atcoder.jp/contests/abc172/tasks/abc172_c
g++ c.cpp
oj t
*/


Compiler output:
a.cc:53:5: error: redefinition of 'int main()'
   53 | int main()
      |     ^~~~
a.cc:13:5: note: 'int main()' previously defined here
   13 | int main()
      |     ^~~~
Language: C++

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:31: error: expected ';' before 'll'
   10 |     sort(a,a+n,greater<int>())
      |                               ^
      |                               ;
   11 |     ll ans=0;
      |     ~~                         
a.cc:13:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   13 |         ans+=a[(i+1)/2];
      |         ^~~
      |         abs
a.cc:14:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C++

#include <iostream>

using namespace std;

int main(){
  int n, i, c=0;
  cin >> n;
  int a[n];
  for(i=0;i<n;i++) cin >> a[i];

  sort(a, n);

  for(i=1;i<n;i++){
    if (a[0]>a[i-1])
      c+=a[i-1];
    else
      c+=a[0];
  }
  cout << c << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |   sort(a, n);
      |   ^~~~
      |   short
Language: C++

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

int main(){
	int n;
	cin>>n;
	vector<int>a(n);
	rep(i,n)cin>>a[i];
	sort(a.begin(),a.end());
	long long int sum=0;
	sum+=a[n-1];
	rep(i,n-2){
		sum+=a[n-2-(i/2)];
	}
	cout<<sum<<endl;
	return 0;
}

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

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

int main(){
	int n;
	cin>>n;
	vector<int>a(n);
	rep(i,n)cin>>a[i];
	sort(a.begin(),a.end());
	long long int sum=0;
	sum+=a[n-1];
	rep(i,n-2){
		sum+=a[n-2-(i/2)];
	}
	cout<<sum<<endl;
	return 0;
}

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

/*
One of the common strategy to prove the maximum value is to show that:
1. the value can be achieved
2. it cannot be exceeded
*/
#include <bits/stdc++.h>

using namespace std;

const int maxn = 2e5 + 5;

int N, A[maxn];

int main() {
    cin >> N;
    for(int i = 0; i < N; ++i) {
        cin >> A[i];
    }
    sort(A, A + N);
    ll ans = 0;
    for(int i = 0; i < N-1; ++i) {
        ans += A[N-(i+3)/2];
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'll' was not declared in this scope
   20 |     ll ans = 0;
      |     ^~
a.cc:22:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |         ans += A[N-(i+3)/2];
      |         ^~~
      |         abs
a.cc:24:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

/*
One of the common strategy to prove the maximum value is to show that:
1. the value can be achieved
2. it cannot be exceeded
*/
#include <bits/stdc++.h>

using namespace std;

int N, A[maxn];

int main() {
    cin >> N;
    for(int i = 0; i < N; ++i) {
        cin >> A[i];
    }
    sort(A, A + N);
    ll ans = 0;
    for(int i = 0; i < N-1; ++i) {
        ans += A[N-(i+3)/2];
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc:10:10: error: 'maxn' was not declared in this scope
   10 | int N, A[maxn];
      |          ^~~~
a.cc: In function 'int main()':
a.cc:15:16: error: 'A' was not declared in this scope
   15 |         cin >> A[i];
      |                ^
a.cc:17:10: error: 'A' was not declared in this scope
   17 |     sort(A, A + N);
      |          ^
a.cc:18:5: error: 'll' was not declared in this scope
   18 |     ll ans = 0;
      |     ^~
a.cc:20:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |         ans += A[N-(i+3)/2];
      |         ^~~
      |         abs
a.cc:22:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |     cout << ans << endl;
      |             ^~~
      |             abs
Language: C++

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

int main(){
    int N;
    cin>>N;
    vector<ll> A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }

    sort(A.begin(),A.end());
    ll ans = 0;
    for(int i=0;i<N-1;i++) ans += A[i];

    cout << asn << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:13: error: 'asn' was not declared in this scope; did you mean 'ans'?
   19 |     cout << asn << endl;
      |             ^~~
      |             ans
Language: C++

#include <cmath>
#include <iostream>
#include <vector>

int main(void) {
    int n;
    std::cin >> n;
    std::vector<int> a;
    int sum = 0;
    int num;
    for (int i = 0; i < n; i++) {
        std::cin >> num;
        a.push_back(num);
    }
    std::sort(a.begin(), a.end(), std::greater<int>());
    sum += a.at(0);
    int check = 0;
    int i = 1;
    while (check < n - 2) {
        sum += a.at(i);
        check++;
        if (i < n - 2) {
            sum += a.at(i);
            check++;
        }
        i++;
    }

    std::cout << sum << std::endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:10: error: 'sort' is not a member of 'std'; did you mean 'sqrt'?
   15 |     std::sort(a.begin(), a.end(), std::greater<int>());
      |          ^~~~
      |          sqrt
Language: C++

int main() {
  long long 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 count=a[0];
  for(int i=1;i<n/2;i++){
    count += a[i];
  }
  for(int i=1;i<n/2;i++){
    count += a[i];
  }
  reverse(a.begin(), a.end() );
  if(n%2==1) count += a[0];
  cout << count << endl;
  
  return 0;
}


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:4:3: error: 'vector' was not declared in this scope
    4 |   vector<long long> a(n);
      |   ^~~~~~
a.cc:4:10: error: expected primary-expression before 'long'
    4 |   vector<long long> a(n);
      |          ^~~~
a.cc:6:12: error: 'a' was not declared in this scope
    6 |     cin >> a[i];
      |            ^
a.cc:8:8: error: 'a' was not declared in this scope
    8 |   sort(a.begin(), a.end() );
      |        ^
a.cc:8:3: error: 'sort' was not declared in this scope; did you mean 'short'?
    8 |   sort(a.begin(), a.end() );
      |   ^~~~
      |   short
a.cc:9:3: error: 'reverse' was not declared in this scope
    9 |   reverse(a.begin(), a.end() );
      |   ^~~~~~~
a.cc:20:3: error: 'cout' was not declared in this scope; did you mean 'count'?
   20 |   cout << count << endl;
      |   ^~~~
      |   count
a.cc:20:20: error: 'endl' was not declared in this scope
   20 |   cout << count << endl;
      |                    ^~~~
Language: Java

import java.util.Arrays;
import java.util.HashMap;
import java.util.Scanner;

public class ques {
	
	
	

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		int n = s.nextInt();
		int a[] = new int[n];
		for(int i=0;i<n;i++) {
			a[i] = s.nextInt();
		}
		Arrays.parallelSort(a);
		long sum = a[n-1];
		int i = 0,index=n-2;
		for(i=n-3;i>0;i-=2) {
			sum+=2*a[index];
			index--;
		}
		if(i==0) {
			sum+=a[2];
		}
		System.out.println(sum);
	}

}

Compiler output:
Main.java:5: error: class ques is public, should be declared in a file named ques.java
public class ques {
       ^
1 error
Language: C++

int main(){
    int n;
    cin >> n;
    vector<int> array(n);
    for(int i=0;i<n;i++) cin >> array.at(i);
    sort(array.begin(),array.end(),greater<int>());
    int sum=0;
    for(int i=0; i<n-1;i++){
        sum += array.at(i);
    }
    cout << sum;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'cin' was not declared in this scope
    3 |     cin >> n;
      |     ^~~
a.cc:4:5: error: 'vector' was not declared in this scope
    4 |     vector<int> array(n);
      |     ^~~~~~
a.cc:4:12: error: expected primary-expression before 'int'
    4 |     vector<int> array(n);
      |            ^~~
a.cc:5:33: error: 'array' was not declared in this scope
    5 |     for(int i=0;i<n;i++) cin >> array.at(i);
      |                                 ^~~~~
a.cc:6:10: error: 'array' was not declared in this scope
    6 |     sort(array.begin(),array.end(),greater<int>());
      |          ^~~~~
a.cc:6:36: error: 'greater' was not declared in this scope
    6 |     sort(array.begin(),array.end(),greater<int>());
      |                                    ^~~~~~~
a.cc:6:44: error: expected primary-expression before 'int'
    6 |     sort(array.begin(),array.end(),greater<int>());
      |                                            ^~~
a.cc:6:5: error: 'sort' was not declared in this scope; did you mean 'short'?
    6 |     sort(array.begin(),array.end(),greater<int>());
      |     ^~~~
      |     short
a.cc:11:5: error: 'cout' was not declared in this scope
   11 |     cout << sum;
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
using Graph = vector<vector<int>>;
using ll = long long;


int main() {
    int n;
    cin>>n;
    vector<int> a(n);
    rep(i,n){
        cin>>a[n];
    }
    ll ans=0;
    sort(a.begin(),a.end());
    reverse(a.begin(),a.end());
    rep(i,n){
        if(i==0){
            ans+=a[0];
        }
        else if(i%2==1){
            ans+=[(i+1)/2];
        }
        else if(i%2==0){
            ans+=[i/2];
        }
    }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:19: error: expected identifier before '(' token
   24 |             ans+=[(i+1)/2];
      |                   ^
a.cc: In lambda function:
a.cc:24:27: error: expected '{' before ';' token
   24 |             ans+=[(i+1)/2];
      |                           ^
a.cc: In function 'int main()':
a.cc:24:16: error: no match for 'operator+=' (operand types are 'll' {aka 'long long int'} and 'main()::<lambda()>')
   24 |             ans+=[(i+1)/2];
      |             ~~~^~~~~~~~~~~
a.cc:27:20: error: expected ',' before '/' token
   27 |             ans+=[i/2];
      |                    ^
      |                    ,
a.cc:27:20: error: expected identifier before '/' token
a.cc: In lambda function:
a.cc:27:23: error: expected '{' before ';' token
   27 |             ans+=[i/2];
      |                       ^
a.cc: In function 'int main()':
a.cc:27:16: error: no match for 'operator+=' (operand types are 'll' {aka 'long long int'} and 'main()::<lambda()>')
   27 |             ans+=[i/2];
      |             ~~~^~~~~~~
Language: C++

/*
4 3 2 1
0 4 2 2
5 4 3 2 1
0 5 4 4 3 = 16
6 5 4 3 2 1
0 6 5 5 4 4
7 6 5 4 3 2 1
0 7 6 6 5 5 4
8 7 6 5 4 3 2 1
0 8 7 7 6 6 5 5
*/

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

int main()
{
	int n;
  cin >> n;
  vetcor<int>arr(n);
  for(int i=0;i<n;i++)
    cin >> arr[i];
  sort(arr.begin(), arr.end());
  reverse(arr.begin(), arr.end());
  int ans = arr[0], cnt=2;
  for(int i=1;cnt<n;i++)
  {
    ans += 2*arr[i];
    cnt += 2;
  }
  cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:3: error: 'vetcor' was not declared in this scope
   21 |   vetcor<int>arr(n);
      |   ^~~~~~
a.cc:21:10: error: expected primary-expression before 'int'
   21 |   vetcor<int>arr(n);
      |          ^~~
a.cc:23:12: error: 'arr' was not declared in this scope
   23 |     cin >> arr[i];
      |            ^~~
a.cc:24:8: error: 'arr' was not declared in this scope
   24 |   sort(arr.begin(), arr.end());
      |        ^~~
a.cc:27:15: error: 'cnt' was not declared in this scope; did you mean 'int'?
   27 |   for(int i=1;cnt<n;i++)
      |               ^~~
      |               int
Language: C++

/*
4 3 2 1
0 4 2 2
5 4 3 2 1
0 5 4 4 3 = 16
6 5 4 3 2 1
0 6 5 5 4 4
7 6 5 4 3 2 1
0 7 6 6 5 5 4
8 7 6 5 4 3 2 1
0 8 7 7 6 6 5 5
*/

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

int main()
{
	int n;
  cin >> n;
  vetor<int>arr(n);
  for(int i=0;i<n;i++)
    cin >> arr[i];
  sort(arr.begin(), arr.end());
  reverse(arr.begin(), arr.end());
  int ans = arr[0], cnt= 2;
  for(int i=1;cnt<n;i++)
  {
    ans += 2*arr[i];
    cnt += 2;
  }
  cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:3: error: 'vetor' was not declared in this scope
   21 |   vetor<int>arr(n);
      |   ^~~~~
a.cc:21:9: error: expected primary-expression before 'int'
   21 |   vetor<int>arr(n);
      |         ^~~
a.cc:23:12: error: 'arr' was not declared in this scope
   23 |     cin >> arr[i];
      |            ^~~
a.cc:24:8: error: 'arr' was not declared in this scope
   24 |   sort(arr.begin(), arr.end());
      |        ^~~
a.cc:27:15: error: 'cnt' was not declared in this scope; did you mean 'int'?
   27 |   for(int i=1;cnt<n;i++)
      |               ^~~
      |               int
Language: C

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

//nをm回右シフトして、一桁目が1かどうか
#define bit(n,m)(((n)>>(m))&1)

void swap(long *i, long *j ){
  long tmp = *i;
  *i = *j;
  *j = tmp;
}


long main(){
  long n;
  scanf("%d",&n);
  long a[n];
  for(long i=0;i<n;++i) scanf("%d",&a[i]);

  //大きい順にソート
  for(long i=0;i<n-1;++i){
    for(long j=i+1;j<n;++j){
      if( a[i] < a[j] ) swap(&a[i],&a[j]);
    }
  }

  long ans = 0;//心地よさの合計
  long cnt = 1;//到着済みの人数
  for(long i=0;i<n;++i){
    if( i == 0 ){
      //最初に到着した人のフレンドリーさは、一回しかカウントされない
      ans += a[0];
      cnt++;
      if(cnt == n ) break;//n人到着したら、終了
      continue;
    }
    //2番目以降に到着した人は、2回ずつカウントできる（両隣）
    ans += a[i];
    cnt++;
    if( cnt == n ) break;

    ans += a[i];
    cnt++;
    if( cnt == n ) break;
  }

  prlongf("%d\n",ans);

  return 0;
}



Compiler output:
main.c: In function 'main':
main.c:47:3: error: implicit declaration of function 'prlongf' [-Wimplicit-function-declaration]
   47 |   prlongf("%d\n",ans);
      |   ^~~~~~~
Language: C

#include<stdio.h>


int main(){
    int n,temp,ans;
    scanf("%d",&n);
    int a[n];
    //心地よさを入力
    for(int i=0;i<n;i++)
    scanf("%d",&a[i]);
    //ソート
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(a[i]<a[j])
            temp = a[i];
            a[i] = a[j];
            a[j] = temp;
        }
    }
    for(int i=0;i<n-1;i++){
    ans += a[i];

    printf("%d",a[n]);
    return 0;

}

Compiler output:
main.c: In function 'main':
main.c:26:1: error: expected declaration or statement at end of input
   26 | }
      | ^
Language: C++

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

bool greater(const int &a, const int &b) {return a > b;}
int main()
{
  int N;
  cin >> N;
  vector <int> A(N);
  for (int i = 0; i < N; i++) cin >> A[i];
  sort(A.begin(), A.end(), greater);
  long long ans = 0;
  int use = 0;
  
  ans = A[0];
  use = 2;

  for (; use < N; use++) {
    ans += A[use/2];
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:28: error: reference to 'greater' is ambiguous
   13 |   sort(A.begin(), A.end(), greater);
      |                            ^~~~~~~
In file included from /usr/include/c++/14/string:49,
                 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_function.h:353:12: note: candidates are: 'template<class _Tp> struct std::greater'
  353 |     struct greater;
      |            ^~~~~~~
a.cc:6:6: note:                 'bool greater(const int&, const int&)'
    6 | bool greater(const int &a, const int &b) {return a > b;}
      |      ^~~~~~~
Language: Java

import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

	    // 引数で標準入力System.inを指定する
	    Scanner scanner = new Scanner(System.in);
		try {

		    // 1行目を取得(a)
//		    int input_text１ = scanner.nextInt();
			String line = scanner.nextLine();
			int input_text１ = Integer.parseInt(line);

			line = scanner.nextLine();
			String[] input_text2Array = line.split(" ");

			double[] arr = new double[input_text2Array.length];

			for (int i = 0; i < input_text2Array.length; i++) {
				arr[i] = Double.parseDouble(input_text2Array[i]);
			}

			Arrays.parallelSort(arr);

			double answer = 0;
			for (int i =  arr.length - 1; i > 0; i--) {
				answer = answer + arr[i];
			}

			System.out.printf("%.0f", answer);

		} finally {
		    // Scannerクラスのインスタンスをクローズ
		    scanner.close();
		}
	}


Compiler output:
Main.java:39: error: reached end of file while parsing
	}
	 ^
1 error
Language: C++

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

#define ll long long

int main() {
//#ifndef ONLINE_JUGDE
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
//#endif
    ios::sync_with_stdio(0);
    cin.tie(0);

    ll n;
    cin>>n;
    ll a[n];
    for(ll i=0;i<n;i++){
    	cin>>a[i];
	}
	sort(a,a+n,greater<int>());
	int start=a[0];
	ll total=0;
	for(ll i=0;i<n;i++){
		if(n!=i+1)
			total+=min(start,a[i]);
		else
			break;
	}
	cout<<total;
	
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:35: error: no matching function for call to 'min(int&, long long int&)'
   25 |                         total+=min(start,a[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:25:35: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   25 |                         total+=min(start,a[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:25:35: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |                         total+=min(start,a[i]);
      |                                ~~~^~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define PI 3.141592653589793
#define MOD 1000000007
typedef long long ll;
typedef long double ld;

 
int main() {
    int n;
    cin >> n;
    vector<ll> a(n);
    rep(i, n) cin >> a[i];
    sort(a.begin(), a.end());
    reverse(a.begin(), a.end());
    ll ans = a[0];
    int cnt = 1;
    int idx = 1;
    while(1) {
        if (cnt == n-1) break;
        ans += a[idx];
        ++cnt;
        if (cnt&1) ++idx;
        //cout << cnt << " " << idx << endl;
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'i' was not declared in this scope
   13 |     rep(i, n) cin >> a[i];
      |         ^
a.cc:13:5: error: 'rep' was not declared in this scope
   13 |     rep(i, n) cin >> a[i];
      |     ^~~
Language: C++

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

const int N = 2e5+7;
int n;
ll ans=0;
int a[N];

int main() {
	ios::sync_with_stdio(false), cin.tie(NULL), cout .tie(NULL);
  	cin >> n;
  	for(int i=0;i<n;i++) cin >> a[i];
  	sort(a,a+n);
  	for(int i=0;i<n-1;i++) ans+=a[i];
  	cout << ans;
}


Compiler output:
a.cc:6:1: error: 'll' does not name a type
    6 | ll ans=0;
      | ^~
a.cc: In function 'int main()':
a.cc:14:32: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |         for(int i=0;i<n-1;i++) ans+=a[i];
      |                                ^~~
      |                                abs
a.cc:15:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   15 |         cout << ans;
      |                 ^~~
      |                 abs
Language: C++

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

const int N = 2e5+7;
int n;
ll ans=0;
int a[N];

int main() {
	ios::sync_with_stdio(false), cin.tie(NULL), cout .tie(NULL);
  	cin >> n;
  	for(int i=0;i<n;i++) cin >> a[i];
  	sort(a,a+n);
  	for(int i=0;i<n-1;i++) ans+=a[i];
  	cout << ans;
}

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

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

int main(){
    int N;
    cin >> N ; 
    vector<long long > A(N);    
    rep(i,N) cin >> A[i]; 
    sort(A.begin(),A.end(),greater<long long>()); 
    long long ans = A[0] ; 
    int times = (N - 2) / 2 ; 
    rep(i,times) ans +=  (2 * A[i + 1 ]); 
    if(N % 2 == 0 ){
        cout << ans << endl ;
    }
    else{
        cout << ans + A[times] << endl; 
    }

   

Compiler output:
a.cc: In function 'int main()':
a.cc:19:6: error: expected '}' at end of input
   19 |     }
      |      ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
#include<mem.h>
#include<bits/stdc++.h>
using namespace std;

int i, n, x, ans;
vector<int>a;

int main()
{
    scanf("%d", &n);
    for (i = 0; i < n; i++) scanf("%d", &x), a.push_back(x);
    sort(a.rbegin(), a.rend());
    for (i = 1; i < n; i++) ans += a[i/2];
    printf("%d\n", ans);
    return 0;
}

Compiler output:
a.cc:5:9: fatal error: mem.h: No such file or directory
    5 | #include<mem.h>
      |         ^~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
#include<mem.h>
#include<vector>
using namespace std;

int i, n, x, ans;
vector<int>a;

int main()
{
    scanf("%d", &n);
    for (i = 0; i < n; i++) scanf("%d", &x), a.push_back(x);
    sort(a.rbegin(), a.rend());
    for (i = 1; i < n; i++) ans += a[i/2];
    printf("%d\n", ans);
    return 0;
}

Compiler output:
a.cc:5:9: fatal error: mem.h: No such file or directory
    5 | #include<mem.h>
      |         ^~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
#include<mem.h>
using namespace std;

int i, n, x, ans;
vector<int>a;

int main()
{
    scanf("%d", &n);
    for (i = 0; i < n; i++) scanf("%d", &x), a.push_back(x);
    sort(a.rbegin(), a.rend());
    for (i = 1; i < n; i++) ans += a[i/2];
    printf("%d\n", ans);
    return 0;
}

Compiler output:
a.cc:5:9: fatal error: mem.h: No such file or directory
    5 | #include<mem.h>
      |         ^~~~~~~
compilation terminated.
Language: Java

import java.util.*;

public class D{
    public static void main(String[]args){

	Scanner sc = new Scanner(System.in);
	int N = sc.nextInt();
	Integer A[]= new Integer[N];
	int ans=0;
	
	for(int i=0; i<N; i++){
	    A[i]=sc.nextInt();
	}
	Arrays.sort(A, Comparator.reverseOrder());
	ans=A[0];
	for(int i=2; i<N;i++){
	  ans=ans+A[i%2];
	  }
	System.out.println(ans);
	
    }
}


Compiler output:
Main.java:3: error: class D is public, should be declared in a file named D.java
public class D{
       ^
1 error
Language: C

#include <cstdio>
#include <iostream>
#include <cassert>
#include <string>
#include <algorithm>
#include <cstring>
#include <utility>
#include <vector>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <cmath>
#include <deque>
#include <unordered_map>
#define IOS ios_base::sync_with_stdio(0); cin.tie(0)

using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<LL, LL> pll;

int main() {
    int N;
    scanf("%d", &N);
    vector<int> V;
    for (int i = 0; i < N; i++) {
        int tmp;
        scanf("%d", &tmp);
        V.push_back(tmp);
    }
    sort(V.rbegin(), V.rend());
    LL ans = 0;
    for (int i = N - 1; i >= 1; i--)
        ans += V[i];
    printf("%lld\n", ans);
    return 0;
}
/* stuff you should look for
	* int overflow, array bounds
	* special cases (n=1?)
	* do smth instead of nothing and stay organized
	* WRITE STUFF DOWN
by Benq;
*/


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

import java.util.*;

public class D{
    public static void main(String[]args){

	Scanner sc = new Scanner(System.in);
	int N = sc.nextInt();
	Integer A[]= new Integer[N];
	int a[]= new int[N];
	int front=0,rear=N-1;
	boolean flag=true;
	int com=0;
	
	for(int i=0; i<N; i++){
	    A[i]=sc.nextInt();
	}
	Arrays.sort(A, Comparator.reverseOrder());
	for(int i=0; i<N; i++){
	    if(i!=0 && A[i]==A[i-1] && flag){
		a[rear]=A[i];
		if(rear!=N-1){
		    com=com+a[rear+1];
		}else{
		    com=com+a[front-1];
		}
		rear=rear-1;
		flag=false;
	    }else{
		a[front]=A[i];
		if(front==0){
		    com=0;
		}else{
		    com=com+a[front-1];
		}
		front++;
		flag=true;
	    }
	}
	System.out.println(com);
	
    }
}


Compiler output:
Main.java:3: error: class D is public, should be declared in a file named D.java
public class D{
       ^
1 error
Language: Java


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

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int n = Integer.parseInt(br.readLine());

        int[] friendliness = new int[n];
        String[] s = br.readLine().split(" ");
        long answer = 0L;
        for(int i=0;i<n;i++){
            friendliness[i] = Integer.parseInt(s[i]);
        }
        Arrays.sort(friendliness);
        int max = friendliness[n-1];
        int secondMax = friendliness[n-2];

        answer += max;
        int counter = 0;
        for (int i = n-3;i>=0;i--){
            ++counter;
            if(counter == 2){
                secondMax = friendliness[i+2];
                counter = 0;
            }
            answer += secondMax;
        }

        System.out.println(answer);
    }

Compiler output:
Main.java:35: error: reached end of file while parsing
    }
     ^
1 error
Language: C++

#include<bits/stdc++.h>
#define N 3000009
using namespace std;
typedef long long ll;
int n,m,a[N];
int main(void)
{
    ll n;
    cin>>n;
    ll ans=0LL;
    ll mn=LLONG_MAX;
    for(ll i=0;i<n;i++) {
        ll a;
        cin>>a;
        ans+=a;
        mn=min(mn,a);
    }
    cout<<ans-a<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:14: error: invalid operands of types 'll' {aka 'long long int'} and 'int [3000009]' to binary 'operator-'
   18 |     cout<<ans-a<<endl;
      |           ~~~^~
      |           |   |
      |           |   int [3000009]
      |           ll {aka long long int}
Language: C++

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

const int N = 2e5 + 10;
long long a[N];
bool cmp(long long x, long long y) {
    return x > y;
}

int main(){
    long long n;
    cin >> n;
    for (int i = 0; i < n; i++) cin >> a[i];
    sort(a, a + n, cmp);
    long long ans = a[0];
    if (n >= 2) {
        ans = ans + (1LL) * a[1] * (n - 2)
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:43: error: expected ';' before '}' token
   21 |         ans = ans + (1LL) * a[1] * (n - 2)
      |                                           ^
      |                                           ;
   22 |     }
      |     ~
Language: C++

#include <bits/stdc++.h>
#define REP(i, a, n) for(int i = a; i < n; i++)
using namespace std;

int n, ans;
 
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> n;
	int p[n];
	REP(i, 0, n) cin >> p[i];
	sort(p, p + n);
	rep(i, 1, n-1) ans += p[n-i/2-1];
	cout << ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: 'i' was not declared in this scope
   15 |         rep(i, 1, n-1) ans += p[n-i/2-1];
      |             ^
a.cc:15:9: error: 'rep' was not declared in this scope
   15 |         rep(i, 1, n-1) ans += p[n-i/2-1];
      |         ^~~
Language: C++

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

void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }

template <typename T, typename V>
void __print(const pair<T, V> &x)
{
    cerr << '{';
    __print(x.first);
    cerr << ',';
    __print(x.second);
    cerr << '}';
}
template <typename T>
void __print(const T &x)
{
    int f = 0;
    cerr << '{';
    for (auto &i : x)
        cerr << (f++ ? "," : ""), __print(i);
    cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V>
void _print(T t, V... v)
{
    __print(t);
    if (sizeof...(v))
        cerr << ", ";
    _print(v...);
}

#ifndef ONLINE_JUDGE
#define dbg(x...)                 \
    cerr << "[" << #x << "] = ["; \
    _print(x)
#else
#define dbg(x...)
#endif
#define endl "\n"
#define FOR(i, a, n) for (ll i = a; i < n; i++)
#define ROF(i, a, n) for (ll i = a; i >= n; i--)
#define all(x) (x).begin(), (x).end()
#define dline cout << "///REACHED///\n";

typedef long long ll;

const ll MOD = 1e+9 + 7;
const ll INF = 0x7f7f7f7f7f7f7f7f;
const int INFi = 0x7f7f7f7f;
const ll MAXN = 4e+5 + 7;

void solve()
{
    ll n;
    vector<int> a(n);
    FOR(i, 0, n)
    {
        cin >> a[i];
    }
    sort(all(a), greater<int>);
    ll ans = a[0];
    FOR(i, 1, n / 2)
    {
        ans += 2 * a[i];
    }
    if (n & 1)
    {

        ans += a[n / 2];
    }
    cout << ans << endl;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll T = 1;
    cin >> T;
    while (T--)
    {
        solve();
    }
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:75:30: error: expected primary-expression before ')' token
   75 |     sort(all(a), greater<int>);
      |                              ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
int main(){
  
  ll n,ans=0;
  cin>>n;
  vector<ll> a(n,0);
  FOR(i,0,n){
    cin>>a[i];
  }
  sort(a.begin(),a.end());
  ans=accumulate(a.begin(),a.end(),0);
  ans-=a[n-1];
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   FOR(i,0,n){
      |       ^
a.cc:9:3: error: 'FOR' was not declared in this scope
    9 |   FOR(i,0,n){
      |   ^~~
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <bitset>
#include <iomanip>
#include <climits>
#include <functional>
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
typedef pair<ll,ll> PLL;
typedef vector<int> VI;
typedef vector<ll> VL;
typedef vector<string> VS;
typedef vector<VI> VVI;
typedef vector<VL> VVL;
typedef vector<PII> VPI;
typedef vector<PLL> VPL;
#define rep(i,n) for(ll i=0;i<(n);i++)
#define all(a) (a).begin(),(a).end()
#define pf push_front
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define ub upper_bound
#define lb lower_bound

int main(){
  int N;
  cin>>N;
  VL A(N);
  rep(i,N) cin>>A[i];
  sort(all(A),greater<ll>());
  ll ans=0;
  assert(N%2);
  if(N%2){
    ans+=A[0];
    rep(i,N/2-1) ans+=A[i+1]*2;
    ans+=A[N/2];
  }else{
    ans+=A[0];
    rep(i,N/2-1) ans+=A[i+1]+2;
  }
  cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:41:3: error: 'assert' was not declared in this scope
   41 |   assert(N%2);
      |   ^~~~~~
a.cc:14:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
   13 | #include <functional>
  +++ |+#include <cassert>
   14 | using namespace std;