1144 - URI - Sequência Lógica (Logical Sequence) in C++

#include <iostream>

using namespace std;

int main()
{
    int a=1, n;
    cin >> n;
    for(int i=1; i<=n*2; i++){
        if(i%2==0){
            cout << a << " " << a*a+1 << " " << (a*(a*a))+1 << endl;
            a++;
        }else
            cout << a << " " << a*a << " " << a*(a*a) << endl;
    }
    return 0;
}