欢迎来到Hell Hole Studios Blog! 这是一个全能向blog网站，主要内容包括游戏、程序设计和信息竞赛（日记），主要blog语言有中文、英文（备注：点击标签来查看同标签内容）。下面的链接可能会帮助到您。 Welcome to Hell Hole Studios Blog! This is an all-function ……

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思考题 which is an adaptation from a popular problem. The source problem is very popular. IDK if this adaptation has been made or not. Adaptation There are N people indexed from 1 to N in a room. Each of them is given a hat of a random color. The t……

Finally some geometry! Maybe very easy though. Currently I am undergoing the College Entrance Exam(GK) so I don't have many ideas for Competitive Programming problems. This problem is inspired by some math problem in GK Simulation. Of course, this ……

0.豪迈(?)的前言 征服还原软件（俗称还原卡，源自早期的硬件解决方案，本文二者混用）一直是千万学生的梦想，也是笔者从2020年夏天就开始攻克的难题。从远古的增霸卡到机房dell自带还原，到欧帝黑板，从D盘不还原到全面沦陷，这一问题始终困扰着我们，限制着班级电脑……

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思考题 of Div2B-C Elevator Welcome back to OBCYSIO! Orange Boy has been promoted to LGM boy so this series is in an awkward situation. This problem is very easy. Consider an elevator with a max speed of v_m m/s and an acceleration of a m/s^2. When ……

题目背景 庆祝Crimson Boy提前一步进入大学殿堂, 特此准备一道来自他所在的大学的隔壁敌对大学的微积分题目! 题面 \forall x\in[1,+\infty), f(x)>0, f''(x)\leq0且\lim\limits_{x\rightarrow+\infty}f(x)=+\infty. 计算\lim\limits_{s\rightarrow0^+}\sum\limits_{n=……

文明一思考, 野蛮就发笑 没想到这个系列能出第二期, 并且第二期就是数学, 占到了目前总期数的一半! 不过, 本期只有一个象征性的题目 (毕竟类似的题要多少有多少), 其主要内容还是介绍暴力的手法. 不过这手法真的有用吗? 好像目前竞赛考的都是n元或加了怪异条件的……