Submission #1812832


Source Code Expand

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

using VS = vector<string>;    using LL = long long;
using VI = vector<int>;       using VVI = vector<VI>;
using PII = pair<int, int>;   using PLL = pair<LL, LL>;
using VL = vector<LL>;        using VVL = vector<VL>;

#define ALL(a)  begin((a)),end((a))
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(a) int((a).size())
#define SORT(c) sort(ALL((c)))
#define RSORT(c) sort(RALL((c)))
#define UNIQ(c) (c).erase(unique(ALL((c))), end((c)))
#define FOR(i, s, e) for (int(i) = (s); (i) < (e); (i)++)
#define FORR(i, s, e) for (int(i) = (s); (i) > (e); (i)--)
#define debug(x) cerr << #x << ": " << x << endl
const int INF = 1e9;                          const LL LINF = 1e16;
const LL MOD = 1000000007;                    const double PI = acos(-1.0);
int DX[8] = { 0, 0, 1, -1, 1, 1, -1, -1 };    int DY[8] = { 1, -1, 0, 0, 1, -1, 1, -1 };

/* -----  2017/11/22  Problem: 012_agc_a / Link: __CONTEST_URL__  ----- */
/* ------問題------



-----問題ここまで----- */
/* -----解説等-----



----解説ここまで---- */

LL N;

LL ans = 0LL;

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

	cin >> N;
	N *= 3;
	VL a(N);
	FOR(i, 0, N) { cin >> a[i]; }
	SORT(a);
	int cnt = 0;
	for (int i = N - 2; cnt<N/3; i -= 2) {
		ans += a[i];
		cnt++;
	}
	cout << ans << "\n";

	return 0;
}

Submission Info

Submission Time
Task A - AtCoder Group Contest
User Yang33
Language C++14 (GCC 5.4.1)
Score 300
Code Size 1472 Byte
Status AC
Exec Time 46 ms
Memory 2560 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 12
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt
All 00_example_01.txt, 00_example_02.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 1 ms 256 KB
00_example_02.txt AC 1 ms 256 KB
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 4 ms 384 KB
06.txt AC 36 ms 2560 KB
07.txt AC 22 ms 2560 KB
08.txt AC 46 ms 2560 KB
09.txt AC 46 ms 2560 KB
10.txt AC 45 ms 2560 KB