Submission #1194252

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define pi pair<int,int>
#define pl pair<long long,long long>
#define rd(x) cin >> x;
#define rda(a,n) for(int i=1;i<=n;i++) cin >> a[i];
#define wr(x) cout << x << ' ';
#define wrl(x) cout << x << '\n';
#define wra(a,n) for(int i=1;i<=n;i++) cout << a[i] << ' '; cout << '\n';
#define lg length()
#define pb push_back
ifstream in("file.in");
ofstream out("file.out");
#define MAXN 100005
#define INF 1000000005
#define LINF 1000000000000000005
struct comp{
    bool operator()(int a, int b){
        return a>b;
    }
};

long long n,t,a[300005],cnt;

int main(){
    ios_base :: sync_with_stdio(0);
    cin >> n;
    for(int i=1;i<=3*n;i++) cin >> a[i];
    sort(a+1,a+3*n+1);
    for(int i=3*n-1;t<n;i-=2) t++,cnt+=a[i];
    cout << cnt;
}

Submission Info

Judge Result