KSzsh

导航

Coloring

题目链接 题目描述： Cirno_9baka has a paper tape with $n$ cells in a row on it. As he thinks that the blank paper tape is too dull, he wants to paint these cel

posted on 2023-01-12 10:04  KSzh  阅读(69)  评论(0)  编辑  收藏  举报