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Codeforces Round #650 (Div. 3) A. Short Substrings

Kanoon 2020-06-17 23:10 阅读:195 评论:0 推荐:0

AtCoder Beginner Contest 153

Kanoon 2020-06-16 21:45 阅读:200 评论:0 推荐:0

hdu 2602 Bone Collector（01背包）

Kanoon 2020-06-15 23:30 阅读:135 评论:0 推荐:0

AtCoder Beginner Contest 170

Kanoon 2020-06-14 22:35 阅读:438 评论:0 推荐:1

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

Kanoon 2020-06-14 19:05 阅读:287 评论:0 推荐:1

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

Kanoon 2020-06-14 17:20 阅读:338 评论:0 推荐:0

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

Kanoon 2020-06-14 17:10 阅读:430 评论:0 推荐:1

Codeforces Round #563 (Div. 2) D. Ehab and the Expected XOR Problem（异或前缀和）

Kanoon 2020-06-13 20:27 阅读:141 评论:0 推荐:0

Codeforces Round #563 (Div. 2) C. Ehab and a Special Coloring Problem（素数筛）

Kanoon 2020-06-13 20:07 阅读:121 评论:0 推荐:0

Codeforces Round #563 (Div. 2) B. Ehab Is an Odd Person（排序）

Kanoon 2020-06-13 20:01 阅读:205 评论:0 推荐:0