题解 | #百钱买百鸡问题#
百钱买百鸡问题
https://www.nowcoder.com/practice/74c493f094304ea2bda37d0dc40dc85b
- 方程组不求解了,遍历直接算
n = int(input()) # 鸡翁最多20只 for i in range(0, 21): # 鸡母最多33只 for j in range(0, 34): # 鸡雏最多300只 for z in range(0, 301): if z % 3 == 0 and 5*i + 3*j + z//3 == 100 and i + j + z == 100: print("{} {} {}".format(i, j, z))