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답안 #512550

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
512550 2022-01-16T12:59:54 Z Jean7 Hindeks (COCI17_hindeks) C++14
50 / 50
 83 ms 7532 KB 
#include <bits/stdc++.h>
#define fio ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define int long long

using namespace std ;

signed main ()
{
    fio ;
    int n ;
    cin >> n ;
    int a[n] ;
    for ( int i = 0 ; i < n ; i++ ) cin >> a[i] ;
    sort ( a , a+n ) ;
    int l = -1 , r = n+1 ;
    while ( r-l > 1 )
    {
        int mid = (l+r) / 2 ;
        auto it = &a[0] ;
        int j = lower_bound( a , a+n , mid ) - it ;
        j = n - j ;
        if ( j >= mid ) l = mid ;
        else r = mid ;
    }
    cout << l ;
    return 0 ;
}

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 312 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 2 ms 336 KB Output is correct
8 Correct 15 ms 1660 KB Output is correct
9 Correct 83 ms 7532 KB Output is correct
10 Correct 36 ms 3908 KB Output is correct