题解 | #汽水瓶#
汽水瓶
https://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
# 20240911 def f(n): if n == 1: return 0 elif n == 0: return 0 else: return 1+f(n-2) # 这里运用了递归函数 while True: try: n = int(input()) if n == 0: break print(f(n)) except: break