#P1792. A Basketball One-on-One

A Basketball One-on-One

题目描述

PDF

输入格式

输出格式

样例

A2B1A2B2A1A2A2A2
A
A2B2A1B2A2B1A2B2A1B2A1A1B1A1A2
A

提示

By-QLU王梦涛