Submission #86345

#	Time	Username	Problem	Language	Result	Execution time	Memory
86345		Pluton	Hindeks (COCI17_hindeks)	C++14	20 / 50	110 ms	2672 KiB

hindeks

#include <bits/stdc++.h>

#define ld long double
#define ll long long
#define sz size()
#define all(xx) xx.begin(),xx.end()
#define pb push_back
#define in insert
#define er erase
#define S second
#define F first
#define pii pair <int, int>
#define to_be continue
#define mp make_pair
#define stop exit (0)
#define fname ""
#define speed ios_base::sync_with_stdio(0);cin.tie(0)
#define input freopen (fname".in", "r", stdin)
#define output freopen (fname".out", "w", stdout)
//#define int ll
#define N 600000

using namespace std;

const int inf = 1e9 + 123;
const ll INF = 1e18 + 123;
const double pi = acos (-1.0);
const ld eps = 1e-3;

int n, a[N], ans;

int main ()
{
	speed;
	cin >> n;
	for (int i = 1; i <= n; i ++)
		cin >> a[i];
	sort (a + 1, a + 1 + n);
	for (int i = 1; i <= n; i ++)
	{
		if (a[i] != a[i + 1])
		{
			if (a[i] < n - i && a[i + 1] >= n - i)
				ans = n - i;
		}
	}
	cout << ans;
}
//Coded by A....

• Subtask 1: 20 / 50