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답안 #201509

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
201509 2020-02-10T21:17:10 Z awlintqaa Hindeks (COCI17_hindeks) C++14
50 / 50
 242 ms 5624 KB 
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf=1e18;
const ld pai=acos(-1);
int n;
int a[500009];
int check(int x){
        int num=0;
        for(int i=0;i<n;i++){
                num+=(x<=a[i]);
        }
        return (num>=x);
}
int main(){
        cin>>n;
        for(int i=0;i<n;i++)cin>>a[i];
        int l=0,r=1e6;
        while(r-l>1){
                if(check(mid))l=mid;
                else r=mid;
        }
        cout<<l<<endl;
}

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 10 ms 376 KB Output is correct
8 Correct 52 ms 1272 KB Output is correct
9 Correct 242 ms 5624 KB Output is correct
10 Correct 125 ms 3064 KB Output is correct