Submission #3266043

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Source Code Expand

#include <bits/stdc++.h>

#define F first
#define S second
#define mp make_pair
#define pb push_back
#define sz(x) (int)x.size()

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = 2e5 + 123;
const int mod = 1e9 + 7;
const ll inf = 1e18 + 9;
const double eps = 1e-9;

inline void boost () {
	ios_base::sync_with_stdio (0);
	cin.tie (0), cout.tie (0);
}
ll n, a[N], sum;

int main () {
	boost ();
	cin >> n;
	n *= 3;
	for (int i = 1;i <= n;i ++) cin >> a[i];
	sort (a + 1, a + n + 1);
	n /= 3;
	for (int i = n + 1;i <= n + n;i ++) sum += a[i];
	cout << sum;	

	return 0;
}

                

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