How Find 0 to N Square Sum in C.

#include<stdio.h>

int main()

{

    int n,i,sum=0;

    printf("Please Enter A Number: ");

    scanf("%d",&n);

    ///ADD

    for(i=0;i<=n;i++)

    {

        sum=sum+(i*i);   ///Square add

    }

    printf("
 Sum of 0 to %d square: %d
",n,sum);

    return 0;

}