Submission #1801074

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Source Code Expand

#include<iostream>
#include<string>
#include<vector>
#include<utility>
#include<queue>
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<complex>
#define INF 2147483647
#define llINF 9223372036854775807
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long

using namespace std;
int main(){
  int n;
  cin>>n;
  vector<int>A(3*n);
  for(int i=0;i<3*n;i++){
    cin>>A[i];
  }
  sort(A.begin(),A.end(),greater<int>());
  ll ans=0;
  for(int i=1;i<3*n;i+=3){
    ans+=(ll)A[i];
  }
  cout<<ans<<endl;
  return 0;
}

Submission Info

Judge Result