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codeforces
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2025
07-09
The 2025 Shanghai Collegiate Programming Contest-G. 矩阵(gcd(a+bx,a)=gcd(a,b))
07-07
2025-四川省赛-A. Minimum Product(类似于floyd的图上dp)
07-06
2025-四川省赛-J. Sichuan Provincial Contest
07-03
CF-629-E. Tree Queries E. 树形查询
07-02
The 2024 Shanghai Collegiate Programming Contest G. 象棋大师(计数状元dp)
06-30
The 2024 Shanghai Collegiate Programming Contest K. 时光
06-29
Edu-180-E. Tree Colorings
06-27
2025北京市赛-G. 萤火虫难题(转换状态设计思路,以倍数为核心)
06-26
2025北京市赛-E. 布置 WAP
06-24
Edu-180-D. Reachability and Tree
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