题解 | #汽水瓶#
汽水瓶
https://www.nowcoder.com/practice/fe298c55694f4ed39e256170ff2c205f
while True: s=int(input()) if s==0: break remnant=s bottles=0 while True: if remnant==2: bottles+=1 break if remnant==1: break bottle=remnant//3 bottles+=bottle remnant=remnant%3+bottle print(bottles)