Submission #249179

#	Time	Username	Problem	Language	Result	Execution time	Memory
249179		Vimmer	Hindeks (COCI17_hindeks)	C++14	50 / 50	113 ms	5764 KiB

hindeks

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define pf push_front
#define N 100100
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef short int si;
typedef array <int, 6> a6;

//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;




int main()
{
    //freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;

    cin >> n;

    int a[n];

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

    sort(a, a + n);

    reverse(a, a + n);

    int ans = 0;

    for (int i = 0; i < n && ans <= i; i++)
      if (a[i] >= i + 1) ans = max(ans, i + 1);


    cout << ans << endl;
}

• Subtask 1: 50 / 50