2019年6月28日
CodeForces - 1183E Subsequences (easy version) （字符串bfs）
摘要： The only difference between the easy and the hard versions is constraints. A subsequence is a string that can be derived from another string by deleti 阅读全文
posted @ 2019-06-28 12:14 yzm10 阅读(708) 评论(0) 推荐(0) 编辑