aoc1901_fuel.cpp

/* ************************************************************************** */
/*                                                                            */
/*                            \\             /`/``                            */
/*                            ~\o o_       0 0\                               */
/*                            / \__)      (u  ); _  _                         */
/*                     / \/ \/  /           \  \/ \/ \                        */
/*                    /(   . . )            (         )\                      */
/*                   /  \_____/              \_______/  \                     */
/*                       []  []               [[] [[]    *.                   */
/*                       []] []]              [[] [[]                         */
/*                                                                            */
/* ****************************************************************** nuo *** */


#include "iostream"

int     main()
{
        int     mass, gro, net, n;

        net = 0;
        gro = 0;
        while (std::cin >> n)
        {
            mass = n / 3 - 2;
            net += mass;
            while (mass > 0)
            {
                if (mass > 0) gro += mass;
                mass = mass / 3 - 2;
            }
        }
        std::cout << "Star 1 : " << net << std::endl;
        std::cout << "Star 2 : " << gro << std::endl;
}