Submission #201509

#	Time	Username	Problem	Language	Result	Execution time	Memory
201509		awlintqaa	Hindeks (COCI17_hindeks)	C++14	50 / 50	242 ms	5624 KiB

hindeks

#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 / 50