Submission #634430

#	Time	Username	Problem	Language	Result	Execution time	Memory
634430		ahmed_shafik	Hindeks (COCI17_hindeks)	C++17	50 / 50	79 ms	7628 KiB

hindeks

#include <bits/stdc++.h>
#define ahmed_is_fast             \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);
#define ll long long
#define ld long double
#define cc(n) cout << n << "\n"
#define ccc(n) cout << n << ' '
#define endl "\n"
#define all(v) v.begin(), v.end()
#define mx(a, b) a = max(a, b)
#define mn(a, b) a = min(a, b)
#define mem(a, b) memset(a, b, sizeof(a))
#define f(a) a.first
#define s(a) a.second
#define lcm(a, b) (a * b) / __gcd(a, b)
#define sp(x) setprecision(x)
using namespace std;
void ahmed()
{
    ll n;
    cin>>n;
    ll arr[n+9];
    for(ll i=0; i<n; i++)
    {
        cin>>arr[i];
    }
    sort(arr,arr+n);
    reverse(arr,arr+n);
    ll mx=0;
    for(ll i=1; i<=n; i++)
    {
        if(arr[i-1]>=i)
        {
            mx=max(mx,i);
        }
    }
    cout<<mx<<endl;
}
bool AHMED = false;
int main()
{
    ahmed_is_fast;
    ll t = 1;
    if (AHMED)
    {
        cin >> t;
    }
    while (t--)
    {
        ahmed();
    }
    return 0;
}

• Subtask 1: 50 / 50