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- #include <bits/stdc++.h>
- using namespace std;
- long long dp[1000001];
- void makeDp()
- {
- long long sum = 0;
- for(long long i = 1; i < 1000001; i++) {
- sum += i;
- dp[i] = sum;
- }
- }
- int main()
- {
- makeDp();
- int t;
- cin >> t;
- long long n;
- while(t--) {
- cin >> n;
- cout << dp[n] << endl;
- }
- return 0;
- }
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