Submission #377247

#	Time	Username	Problem	Language	Result	Execution time	Memory
377247		marat0210	Hindeks (COCI17_hindeks)	C++14	5 / 50	261 ms	4332 KiB

hindeks

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    cin >>n;
    vector <long long> a(n);
    for (int i = 0; i < n; ++i) {
        cin >>a[i];
    }
    sort(a.begin(), a.end());
    for (int i = n; i >= 0; --i) {
        int cnt = (upper_bound(a.begin(), a.end(), i) - a.begin()) - (lower_bound(a.begin(), a.end(), i - 1) - a.begin()) + 1;
        if (cnt >= i) {
            cout <<i<<endl;
            return 0;
        }
    }
}

• Subtask 1: 5 / 50