https://whl1729.cn/tags/%E6%95%B0%E5%AD%A6/Recent content in 数学 on Freestyle ProgrammerHugozh-CNSat, 23 Dec 2023 00:00:00 +0800https://whl1729.cn/posts/2023-12-23-month-week-unity-and-doomsday-rule/Sat, 23 Dec 2023 00:00:00 +0800https://whl1729.cn/posts/2023-12-23-month-week-unity-and-doomsday-rule/「末日算法」不能帮你预测世界末日，但可以帮你心算任意一天是星期几。