2019年6月30日
C. Vus the Cossack and Strings
摘要： 题面： Vus the Cossack has two binary strings, that is, strings that consist only of "0" and "1". We call these strings $$$a$$$ and $$$b$$$. It is known 阅读全文
posted @ 2019-06-30 19:41 一只球球 阅读(339) 评论(0) 推荐(0) 编辑