CPP
cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
#include <iostream>
using namespace std;
int main() {
int x;
cin >> x;
int sum=0;
for(int i=0;i<x;i++){
sum+=(i+1)*(i+1);
}
cout << sum;
return 0;
}
Enter to Rename, Shift+Enter to Preview
OUTPUT
Run