Series Program 2

(1*1) + (2*2) + (3*3) + (4*4) + (5*5) + ... + (n*n)

int main()
{
    int i,n,sum=0;
    n=10;
    for(i=1;i<=n;i++)
    {
        sum+=i*i;
    }
    printf("Sum: %d",sum);
    return 0;
}