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Codeforces Round #590 (Div. 3) D. Distinct Characters Queries(线段树, 位运算)

YDDDD 2019-10-03 00:21 阅读:400 评论:0 推荐:0

牛客假日团队赛1B.便便传送门(一)

YDDDD 2019-06-10 01:42 阅读:395 评论:0 推荐:0

Educational Codeforces Round 65 (Rated for Div. 2) B. Lost Numbers

YDDDD 2019-05-21 15:48 阅读:393 评论:0 推荐:0

Educational Codeforces Round 79 (Rated for Div. 2) B. Verse For Santa

YDDDD 2019-12-28 23:33 阅读:391 评论:0 推荐:0

Codeforces Round #544 (Div. 3) C. Balanced Team

YDDDD 2019-03-09 11:54 阅读:390 评论:0 推荐:0