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DEMTG

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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;
}

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