Author: Shadab Shaikh
Tester: Shadab Shaikh](sshadab_148 | CodeChef User Profile for shadab shaikh | CodeChef)
Editorialist: Shadab Shaikh
DIFFICULTY:
CAKEWALK
PREREQUISITES:
None
PROBLEM:
You are given a number NN.You want to find the sum of the first NN Even Number.
SOLUTIONS:
Setter's Solution
#include
using namespace std;
int main()
{
int n,sum=0,k,t,i,s;
cin>>t;
for(k=0;k<t;k++){
cin>>n;
for(s+=2;i<=n;i++)
{
sum = sum+2*i;
}
cout<<sum<<“\n”;
}
return 0;
}