제출 #151296

#제출 시각아이디문제언어결과실행 시간메모리
151296Linca_RobertHindeks (COCI17_hindeks)C++14
40 / 50
320 ms5728 KiB
#include<bits/stdc++.h> using namespace std; int N, arr[500005]; int main(){ cin >> N; for( int i = 1; i <= N; i++ ) cin >> arr[i]; sort( arr+ 1, arr + N + 1 ); for( int i = N; i >= 1; i-- ){ if( arr[i] < N - i + 1 ){ cout << N - i << endl; break; } } return 0; }
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