2019年11月29日
A - Binary Apple Tree（树形DP）
摘要： Let's imagine how apple tree looks in binary computer world. You're right, it looks just like a binary tree, i.e. any biparous branch splits up to exa 阅读全文
posted @ 2019-11-29 20:41 蓉~ 阅读(260) 评论(0) 推荐(0) 编辑