CodeForces/A_Permutation_Warm_Up.cpp at master · Ash8389/CodeForces · GitHub

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#include <bits/stdc++.h>
using namespace std;

void solve()
{
    int n;
    cin >> n;

    int res = (n * n) / 4;
    cout << res + 1 << '\n';
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int t;
    cin >> t;

    while (t--)
    {
        solve();
    }

    return 0;
}