1654.cpp

// Ivan Carvalho
// Solution to https://www.beecrowd.com.br/judge/problems/view/1654
#include <cstdio>
typedef int ll;
const ll maximo = 20 * 100;
int main() {
    for (ll a = 8; a <= 125; a++) {
        for (ll b = a; a + b <= 600; b++) {
            for (ll c = b; a + b + c <= 1225; c++) {
                if (a * b * c <= 1000000) continue;
                ll cima = 1000000 * (a + b + c);
                ll baixo = a * b * c - 1000000;
                if (cima % baixo != 0) continue;
                ll d = cima / baixo;
                if (d >= c && a + b + c + d <= maximo) {
                    printf("%.2lf %.2lf %.2lf %.2lf\n", double(a * 0.01),
                           double(b * 0.01), double(c * 0.01),
                           double(d * 0.01));
                }
            }
        }
    }
    return 0;
}