50，求救，必关

#include <iostream>
using namespace std;
int main() {
    int T;
    cin >> T;
    long long result[1001];
    for (int i = 1; i <= T; i++) {
        int n;
        cin >> n;
        if (n <= 1) {
            result[i] = 1;
        } else {
            result[i] = (n - 1) * n;
        }
    }
    for (int i = 1; i <= T; i++) {
        cout << result[i] << endl;
    }
    return 0;
}