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哈尔滨理工大学软件与微电子学院程序设计竞赛（同步赛）G.XOR (位运算)

_Kolibri 2020-06-15 20:15 阅读:159 评论:0 推荐:0

AtCoder Beginner Contest 170 D - Not Divisible (数学)

_Kolibri 2020-06-15 01:26 阅读:207 评论:0 推荐:0

Codeforces Round #649 (Div. 2) C. Ehab and Prefix MEXs (构造,贪心)

_Kolibri 2020-06-15 01:19 阅读:123 评论:0 推荐:0

Codeforces Round #649 (Div. 2) B. Most socially-distanced subsequence (数学,差分)

_Kolibri 2020-06-15 01:07 阅读:92 评论:0 推荐:0

Codeforces Round #649 (Div. 2) A. XXXXX (贪心)

_Kolibri 2020-06-15 00:59 阅读:139 评论:0 推荐:0

Educational Codeforces Round 89 (Rated for Div. 2) D. Two Divisors (数学)

_Kolibri 2020-06-12 21:47 阅读:218 评论:0 推荐:0

Educational Codeforces Round 89 (Rated for Div. 2) C. Palindromic Paths (思维)

_Kolibri 2020-06-12 20:57 阅读:157 评论:0 推荐:0

Educational Codeforces Round 89 (Rated for Div. 2) B. Shuffle (数学,区间)

_Kolibri 2020-06-12 19:01 阅读:146 评论:0 推荐:0

Educational Codeforces Round 89 (Rated for Div. 2) A. Shovels and Swords (贪心)

_Kolibri 2020-06-12 18:54 阅读:226 评论:0 推荐:0

Codeforces Round #501 (Div. 3) D. Walking Between Houses (思维,构造)

_Kolibri 2020-06-11 11:16 阅读:133 评论:0 推荐:0