C/C++ Program to find sum of squares of n natural numbers

//Program to find sum of squares of n natural numbers
#include<iostream>
using namespace std;
int main()
{
    int n,sum;
    cout<<"\n enter upto which number you want to find sum of squares:";
    cin>>n;
    sum=(n*(n+1)*(2*n+1))/6;
    cout<<"\n sum of squares of  "<<n<<" natural numbers is : "<<sum<<endl;
return 0;
}
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