Generates and prints squares of natural numbers.

#include <iostream>
using namespace std;

int main() {
    // Write C++ code here
    int n;
    cout<<"enter a number :"<<endl;
    cin>>n;
    int arr[n];
    for(int i=1;i<=n;i++){
        arr[i-1]=i*i;
    }
    for(int i=0;i<n;i++){
        cout<<arr[i]<<" ";
    }
    return 0;
}