HappyDavid3367

UID: 230, Registered at 2025-2-27 22:09:59, last login at 2025-4-6 13:32:35, last active at 2025-4-26 22:14:38.

Solved 24 problems

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#	Date	Contest	Rank	New Rating	Δ
8	2025-04-25 20:00:00	代码源挑战赛 Round 9	273	979	-82
7	2025-04-11 20:00:00	代码源挑战赛 Round 7	156	1061	-17
6	2025-04-04 20:00:00	代码源挑战赛 Round 6	120	1078	16
5	2025-03-28 20:00:00	代码源挑战赛 Round 5	114	1062	22
4	2025-03-21 20:00:00	代码源挑战赛 Round 4	182	1040	-37
3	2025-03-14 20:00:00	代码源挑战赛 Round 3	113	1077	10
2	2025-03-07 20:00:00	代码源挑战赛 Round 2	71	1067	55
1	2025-02-28 20:00:00	代码源挑战赛 Round 1	149	1012

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模拟: 16
其他: 8
数学: 4
数论: 4
排序: 3
贪心: 2
组合数学: 2
快速幂: 1
离散化: 1
素数判定: 1
欧几里得算法: 1
鸽笼: 1
数据结构: 1
图结构: 1