Submission #377241

#	Time	Username	Problem	Language	Result	Execution time	Memory
377241		marat0210	Hindeks (COCI17_hindeks)	C++14	20 / 50	254 ms	4204 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 = 0;
        int l = -1, r = n;
        while (r - l > 1) {
            int m = (r + l) / 2;
            if (a[m] >= i) {
                r = m;
            }
            else {
                l = m;
            }
        }
        if (cnt >= l) {
            cout <<i<<endl;
            return 0; 
        }
    }
}

• Subtask 1: 20 / 50