2017年7月31日
[DP] UVA-1626 Brackets sequence
摘要： Let us define a regular brackets sequence in the following way: 1. Empty sequence is a regular sequence. 2. If S is a regular sequence, then (S) and [ 阅读全文
posted @ 2017-07-31 21:01 Dancingflower 阅读(221) 评论(0) 推荐(0) 编辑
Codeforces Round #426 (Div. 2) [A、B、C]
摘要： A. The Useless Toy time limit per test: 1 second time limit per test: 1 second memory limit per test: 256 megabytes memory limit per test: 256 megabyt 阅读全文
posted @ 2017-07-31 16:00 Dancingflower 阅读(138) 评论(0) 推荐(0) 编辑