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Codeforces Global Round 11 D. Unshuffling a Deck（构造/相邻逆序对）
Kanoon 2020-10-14 00:50 阅读:264 评论:0 推荐:0
Codeforces Global Round 11 C. The Hard Work of Paparazzi（dp/最长上升子序列）
Kanoon 2020-10-14 00:20 阅读:281 评论:0 推荐:0
Codeforces Round #657 (Div. 2) C. Choosing flowers（贪心）
Kanoon 2020-07-20 17:15 阅读:272 评论:3 推荐:0
Codeforces Round #656 (Div. 3) E. Directing Edges
Kanoon 2020-07-19 17:10 阅读:138 评论:0 推荐:0
Educational Codeforces Round 91 (Rated for Div. 2) D. Berserk And Fireball
Kanoon 2020-07-13 23:59 阅读:366 评论:0 推荐:0
Codeforces Round #651 (Div. 2) D. Odd-Even Subsequence（二分）
Kanoon 2020-06-21 18:05 阅读:263 评论:0 推荐:0
Codeforces Round #646 (Div. 2) E. Tree Shuffling（树上dp）
Kanoon 2020-06-01 11:30 阅读:235 评论:0 推荐:1