Wuyanru's blog

04-27

[QOJ10045] Permutation Recovery

10-29

[GYM104023B] Recruitment

09-23

[20240922模拟赛] 洗牌

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[QOJ5434] Binary Substrings

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[CF1667D] Edge Elimination

02-17

[SNOI2024] 拉丁方

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[ARC145D] Non Arithmetic Progression Set