제출 #370577

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
370577		Atill83	Hindeks (COCI17_hindeks)	C++14	50 / 50	93 ms	5612 KiB

hindeks

#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 5e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;
int a[MAXN];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n;

    for(int i = 0; i < n; i++)
        cin>>a[i];

    sort(a, a + n, greater<int>());



    for(int i = 1; i <= n; i++){
        if(a[i - 1] < i){
            cout<<(i - 1)<<endl;
            return 0;
        }
    }
    cout<<n<<endl;

    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 50 / 50