分鱼

#!/usr/bin/python3

"""
穷举法:穷尽所有可能直到找到正确答案
"""
def main():
   """分鱼"""
   fish = 1
   while True:
         enough = True
         total = fish
         for _ in range(5):
             if (total - 1) % 5 == 0:
                 total = (total - 1) // 5 *4
             else:
                 enough = False
                 break
         if enough:
             print(fish)
             break
         fish += 1


 if __name__ == "__main__":
     main()

穷举法

#!/usr/bin/python3

"""穷举法"""
def main():
   """主函数"""
   for cock in range(0, 21):
       for hen in range(0, 34):
           chick = 100 - cock - hen
           if chick % 3 == 0 and cock * 5 + hen * 3 + chick // 3 == 100:
                 print(f"公鸡: {cock}只, 母鸡: {hen}只, 小鸡: {chick}只")


if __name__ == "__main__":
    main()