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답안 #86532

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
86532 2018-11-26T12:08:31 Z NurstanDuisengaliev Hindeks (COCI17_hindeks) C++14
50 / 50
 115 ms 2564 KB 
#include <bits/stdc++.h>

#define ll long long
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define F first
#define S second

using namespace std;

inline void boost(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
}
//int dp[int(1e7) + 1];
inline void solve () {
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	boost ();
	int n;
	cin >> n;
	int a[n];
	for (int i = 0; i < n; i ++) {
		cin >> a[i];
	}
	sort(a, a + n);
	int k = 0;
	int mini = int(1e9);
	for (int i = n - 1; i >= 0; i --) {
		k ++;
		mini = min(mini, a[i]);
		if (mini < k) {
			cout << k - 1;
			return;
		}
	}
	if (mini >= k) {
		cout << k;
		return;
	}
	else {
		cout << k - 1;
		return;
	}
}

int main(){                                	
	int kolT = 1;
//	cin >> kolT;
	while (kolT) {
		solve ();
		kolT --;
	}
	exit(0);
}

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 520 KB Output is correct
4 Correct 2 ms 520 KB Output is correct
5 Correct 2 ms 520 KB Output is correct
6 Correct 2 ms 520 KB Output is correct
7 Correct 4 ms 520 KB Output is correct
8 Correct 20 ms 900 KB Output is correct
9 Correct 115 ms 2564 KB Output is correct
10 Correct 48 ms 2564 KB Output is correct