大家好，笔者是2023届高中毕业生XGN。最近有幸参加了南京大学的2023届强基计划招生，现分享一下经历： 初赛 初赛人很多，在仙林校区进行。笔者报名的专业考察内容是「数理探究」（aka数学+物理）。考试时间1.5h，12道数学，12道物理，选择题，6个选项，满分100.每门学……

大家好，笔者是2023届高中毕业生XGN的说。今日参加了国科大和南大的江苏省综合评价考试，现在和大家分享一下流程和题目： 国科大 需要准备的材料是综评报名表（要上交）、身份证、证书原件、证书复印件（要上交） 报考学生会被随机分到不同时间段参加考试，每个时间段……

Solved! Difficulty: Div2C 思考题 in dreamland Construct it XGN dreamt about the following problem when sleeping: You are given a positive integer n (2\leq n\leq 10^8). Output an arithmetic expression that yields the value n with the following……

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 ……

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 ……

大家好，我是XGN。临近期末考试，我却还有时间看VN。话说回来，最近真的看了好多VN（只两个），可能是我已经年老到只喜欢这些世俗的故事，再也没有办法享受游戏带来的打击感和刺激感了吧。（大嘘 这次带来的作品是「狐狸在等我」 英文版的标题是「The Fox Awaits Me」……

大家好，我是XGN！考虑到Blog上的技术内容属实有点少，今天就带来一点实用的。 笔者几个月前有幸捡到某reMarkable 1代产品，搭载了0.4的系统。由于某些臭名昭著的问题，笔者不得不做一些调教使其能够正常工作。现将笔者的调教经历发在这里，希望对大家有所帮助。 问题……

anniversary 思考题 Very Easy Problem Wow! OBCYSIO has reached 50 episodes! Let's celebrate using a very popular and easy problem. Hikari and Ninetail are playing a game on an undirected graph of N nodes and M edges. They move in turns, with Hikari ……