• Hello World

    Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, yo...
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  • ABC444G Solution

    G - Kyoen 题解 赛时成功没切 C 题,成功被 8,459 人吊打 分析 题目要求计算圆心为 (AC,BC)(\frac{A}{C}, \frac{B}{C})(CA​,CB​)、半径为 NC\frac{\sqrt{N}}{C}CN​​ ...