Submission

Status:

TT-------P

Score: 10

User: wasd

Problemset: F.Ueka Battle

Language: cpp

Time: 1.078 second

Submitted On: 2024-10-14 15:33:19

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int N, a;
    cin >> N;
    set<int> x;

    for (int i = 0; i < N; i++)
    {
        cin >> a;
        x.insert(a);
    }
    cout << ceil(static_cast<double>(x.size()) / 2);
    return 0;
}