DEMTG
unknown
plain_text
6 months ago
317 B
2
Indexable
Never
#include <bits/stdc++.h> using namespace std; long long d,n,res; long long l1(long long x) { long long dem = 0; for (int i=1;i<=x+1;i++) { dem = dem + i; } return dem; } int main () { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> d >> n; cout << l1(d) + (l1(d)*n); return 0; }