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贪心+stack Codeforces Beta Round #5 C. Longest Regular Bracket Sequence

Running_Time 2015-06-03 14:10 阅读:174 评论:0 推荐:0

BestCoder Round #73 (div.2)

Running_Time 2016-02-21 19:35 阅读:173 评论:0 推荐:0

set+线段树 Codeforces Round #305 (Div. 2) D. Mike and Feet

Running_Time 2015-05-27 18:55 阅读:173 评论:0 推荐:0