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Codeforces Round #544 (Div. 3) B.Preparation for International Women's Day

YDDDD 2019-03-09 11:50 阅读:441 评论:0 推荐:0

Acwing-169-数独2(搜索, 剪枝)

YDDDD 2019-09-19 21:05 阅读:438 评论:0 推荐:0

Codeforces Round #605 (Div. 3) E. Nearest Opposite Parity（最短路）

YDDDD 2019-12-15 23:53 阅读:429 评论:2 推荐:0

C. Polycarp Restores Permutation

YDDDD 2019-03-21 12:55 阅读:426 评论:0 推荐:0

Codeforces Round #561 (Div. 2) B. All the Vowels Please

YDDDD 2019-05-21 15:34 阅读:418 评论:0 推荐:0