Submission #856064

#	Time	Username	Problem	Language	Result	Execution time	Memory
856064		vjudge1	Hindeks (COCI17_hindeks)	C++17	50 / 50	83 ms	2392 KiB

hindeks

//author: Ahmet Alp Orakci
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;

#define ONLINE_JUDGE
void solve() {
    int n;
    cin >> n;

    vector <int> vec(n +1);
    for(int i = 1; i <= n; i++) {
        cin >> vec[i];
    }

    sort(vec.begin(), vec.end());

    for(int i = int(1E6); i >= 0; i--) {
        auto it = lower_bound(vec.begin(), vec.end(), i);
        int cnt = vec.end() - it;

        if(cnt >= i) {
            cout << i;
            return;
        }
    }
    
    return;
}

signed main() {
    #ifndef ONLINE_JUDGE
        freopen(".in", "r", stdin);
        freopen(".out", "w", stdout);
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

    int t = 1; //cin >> t;
    for(int i = 1; i <= t; i++) {
        solve();
    }

    return 0;
}

• Subtask 1: 50 / 50