题解 | #百钱买百鸡问题#

#include <iostream>
using namespace std;
int main() {
    int a, b, c, d, e;
    for (a = 0; a <= 100 / 5; a++) {
        b = 100 - a;//鸡母、鸡雏数量之和
        c = 100 - a * 5;//鸡母、鸡雏价钱之和
        for (d = 0; d * 3 <= c; d++) {
            e = b - d;
            if (e % 3 == 0 && d * 3 + e / 3 == c)
                cout << a << ' ' << d << ' ' << e << endl;
        }
    }
}