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Homepage
Algorithm Contest
Tech Blog
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About
Friends Link
中文
Codeforces
2022
[3]
Codeforces 1660F Promising String (hard version) 找规律+前缀和
04-05
codeforces 24D Broken Robot[有后效性DP,高斯消元]
03-19
Codeforces19D Points 树套树
03-18