Cod sursa(job #1055124)
Utilizator | Data | 14 decembrie 2013 10:52:36 | |
---|---|---|---|
Problema | Progresie | Scor | 0 |
Compilator | cpp | Status | done |
Runda | ONIS 2014, Runda 1 | Marime | 0.28 kb |
#include <fstream>
using namespace std;
ifstream f("progresie.in");
ofstream g("progresie.out");
int main()
{
int t, n, r;
f >> t;
while(t --)
{
f >> n >> r;
int k = (n - 1)*r + 1;
g << 1 + (k - 1)*k << "\n";
}
return 0;
}