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Average of Squares of n Natural Numbers?
Given a number n, we need to find the average of the square of natural Numbers till n. For this we will first The squares of all the numbers till n. then we will add all these squares and divide them by the number n.
Input 3 Output 4.666667
Explanation
12 + 22 + 32 = 1 + 4 + 9 = 14 14/3 = 4.666667
Example
#include<iostream>
using namespace std;
int main() {
long n , i, sum=0 ,d;
n=3;
for(i=1;i<=n;++i) {
d=i*i;
sum+=d;
}
cout<<sum/n;
return 0;
}
Updated on 19-Aug-2019 09:10:15
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