我的随笔

CF923E Perpetual Subtraction

lahlah 2021-09-25 22:15 阅读:198 评论:0 推荐:0

CF963E Circles of Waiting

lahlah 2021-09-25 21:58 阅读:49 评论:0 推荐:0

CF446D DZY Loves Games

lahlah 2021-09-25 21:36 阅读:149 评论:0 推荐:0

OI数学基础

lahlah 2021-09-25 20:02 阅读:482 评论:0 推荐:0

AT2167 [AGC006F] Blackout

lahlah 2021-09-22 19:49 阅读:51 评论:0 推荐:0

CSP前的挣扎

lahlah 2021-09-15 07:20 阅读:51 评论:0 推荐:0

AT2063 [AGC005E] Sugigma: The Showdown

lahlah 2021-09-14 21:14 阅读:52 评论:0 推荐:0

AT2657 [ARC078D] Mole and Abandoned Mine

lahlah 2021-09-13 21:59 阅读:52 评论:0 推荐:0

AT2376 [AGC014D] Black and White Tree

lahlah 2021-09-13 21:32 阅读:162 评论:0 推荐:0

AT4926 [AGC033C] Removing Coins

lahlah 2021-09-13 21:08 阅读:71 评论:0 推荐:0