Cod sursa(job #1055517)

Utilizator vlad233Dragan Vlad vlad233 Data 14 decembrie 2013 11:32:36
Problema Progresie Scor 0
Compilator cpp Status done
Runda ONIS 2014, Runda 1 Marime 0.31 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

int main()
{
	int t,i;
	long long n,r,s;
	ifstream f("progresie.in");
	ofstream g("progresie.out");
	f>>t;
	for (i=1;i<=t;i++)
	{
		f>>n>>r;
		s=((n-1)*r+1)*((n-1)*r+1)-(n-1)*r;
		g<<s<<endl;
	}
	f.close();
	g.close();
	return 0;
}