题解 | 百钱买百鸡问题

import sys

gongji = 0
muji = 0
xiaoji = 0

while gongji <= 20:
    while muji <= 33:
        while xiaoji <= 300:
            if 5*gongji + 3*muji + xiaoji/3 == 100 and gongji + muji + xiaoji == 100:
                print(gongji, muji, xiaoji)
            elif 5*gongji + 3*muji + xiaoji/3 > 100:
                break
            xiaoji += 1
        xiaoji = 0
        muji += 1
    muji = 0
    gongji += 1