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- #include<bits/stdc++.h>
- using namespace std;
- int main() {
- ///Input Process Output
- int N;
- cin >> N;
- while (N--) {
- int n = 5;
- cin >> n;
- int s = 0;
- for (int i = 1; i <= n; i++) {
- s += i * (i + 1) / 2;
- }
- cout << s << endl;
- }
- return 0;
- }
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