oj.uz

답안 #919147

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
919147 2024-01-31T11:28:45 Z TIN Akcija (COCI15_akcija) C++17
80 / 80
 13 ms 1628 KB 
#include <bits/stdc++.h>

using namespace std;

#define FNAME "test"

typedef long long ll;

const int N = 1e5 + 5;

int n;
ll a[N];
ll res = 0;

void Task() {
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cout << fixed << setprecision(9);
	if (fopen(FNAME".inp","r")) {
		freopen(FNAME".inp","r",stdin);
		freopen(FNAME".out","w",stdout);
	}
}

void Solve() {
	//Your Code
	cin >> n;
	for (int i = 1; i <= n; i++) cin >> a[i];
	sort(a + 1, a + n + 1, greater<int>());
	for (int i = 1; i <= n; i++) {
		if (i % 3 != 0) res += a[i];
	}
	cout << res << '\n';
}

int main() {
	Task();
	Solve();
	cerr << "\nTime run: " << 1000*clock()/CLOCKS_PER_SEC << "ms";
	return 37^37;
}

Compilation message

akcija.cpp: In function 'void Task()':
akcija.cpp:20:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   freopen(FNAME".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
akcija.cpp:21:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |   freopen(FNAME".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 12 ms 1624 KB Output is correct
7 Correct 7 ms 1624 KB Output is correct
8 Correct 8 ms 1624 KB Output is correct
9 Correct 13 ms 1624 KB Output is correct
10 Correct 13 ms 1628 KB Output is correct