Difference_of_Sums.c

#include<stdio.h>
int main()
{
    int n,i,s=0,x=0;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
    {
        s=s+i*i;
        x=x+i;
    }
    x=x*x;
    if(s>x)
    {
        n=s-x;
        printf("%d",n);
    }
    else if(s<x)
    {
        n=x-s;
        printf("%d",n);
    }
}