当前标签：codeforces

Codeforces Round 974 (Div. 3)

Lu_xZ 2024-09-22 11:45 阅读:123 评论:0 推荐:0

Codeforces Round 968 (Div. 2)

Lu_xZ 2024-08-26 21:50 阅读:383 评论:0 推荐:0

Codeforces Round 953 (Div. 2) A - F

Lu_xZ 2024-06-17 09:09 阅读:303 评论:0 推荐:0

Codeforces Round 945 (Div. 2) (A - E)

Lu_xZ 2024-05-20 12:08 阅读:147 评论:0 推荐:0

Codeforces Round 943 (Div. 3)(C-G)

Lu_xZ 2024-05-03 01:52 阅读:385 评论:0 推荐:0

Codeforces Round 942 (Div. 2) (A - D)

Lu_xZ 2024-05-01 21:48 阅读:274 评论:0 推荐:1

CF746 期望+逆序对

Lu_xZ 2024-03-30 13:06 阅读:162 评论:0 推荐:0

Codeforces Round 934 2D/1B

Lu_xZ 2024-03-17 04:35 阅读:309 评论:2 推荐:0

Codeforces Round 932 (Div. 2) ABCD

Lu_xZ 2024-03-06 01:12 阅读:338 评论:0 推荐:0

CF916E 换根树上问题

Lu_xZ 2024-03-04 01:29 阅读:35 评论:1 推荐:0

Educational Codeforces Round 162 (Rated for Div. 2) E

Lu_xZ 2024-02-24 03:04 阅读:163 评论:0 推荐:0

Codeforces Round 927 (Div. 3) EFG

Lu_xZ 2024-02-19 02:42 阅读:23 评论:0 推荐:0

CF1872G

Lu_xZ 2024-02-08 16:18 阅读:30 评论:0 推荐:0

CF1912K

Lu_xZ 2024-02-08 14:57 阅读:56 评论:0 推荐:0

CF633H (线段树维护矩乘 + 莫队)

Lu_xZ 2024-02-05 14:28 阅读:41 评论:0 推荐:0

CF877F Ann and Books （分类统计贡献+普通莫队）

Lu_xZ 2024-02-04 01:57 阅读:24 评论:0 推荐:0

CF522D Closest Equals 离线扫描 + 线段树

Lu_xZ 2024-02-03 19:13 阅读:38 评论:0 推荐:0

CF620E New Year Tree (线段树维护 dfs 序)

Lu_xZ 2024-02-02 17:53 阅读:52 评论:0 推荐:0

CF1800F Dasha and Nightmares

Lu_xZ 2024-02-01 11:19 阅读:28 评论:0 推荐:0

Codeforces Round #922 (Div. 2) ABCD

Lu_xZ 2024-01-31 01:15 阅读:182 评论:0 推荐:0