Cod sursa(job #1057373)

Utilizator bogdan_paulisPaulis Bogdan bogdan_paulis Data 14 decembrie 2013 14:45:00
Problema Progresie Scor 0
Compilator cpp Status done
Runda ONIS 2014, Runda 1 Marime 0.31 kb
Raporteaza aceasta sursa 
#include<iostream>
using namespace std;
#include<stdio.h>
#include<stdlib.h>




int main()
{

	int t,n,e;
	long r,s,i,j;
	
	cin>>t;
	for(e=0;e<t;e++)
	{
		cin>>n>>r;
		s=(n-1)*r;
		//cout<<s<<endl;
		i=1;
		j=1;
		while(i<s+1)
		{
			j+=2*i;
			i++;
		}
		
		cout<<j;
	}
	return 0;
}