Ubuntu 22.04 Configuration Notes

Install NVIDIA Driver

DO NOT INSTALL THIRD PARTY GRAPHICS DRIVERS IN UBUNTU INSTALLATION INTERFACE!!!

Nyan MIPS!

This is my first game written in Assembly (MIPS32 architecture).

Meow Meow Meow?

Solution of Cuboid Slicing Game (IDI Open 2018)

Problem link: Click here.

Solution

It is clear that the question is a game theory question.

For game theory, we have a powerful tool: Sprague–Grundy function.

Expose Local Server by FRP (Fast Reverse Proxy)

FRP Introductions

Introduction & Code Repository

Please briefly read the documentation, as this will help you understand the meaning of each configuration below.

Setting Up V2Ray with NGINX + WebSocket + TLS

V2Ray is a platform for building proxies to bypass network restrictions.

The following instructions are based on Ubuntu Server 20.04.

Step 1. Domain & DNS

Buy a domain name and configure its DNS records to point to your server.

Racket Recursive Practices

This is actually a lab for my CSCC24 course (Principles of Programming Languages).

Racket is very different from popular programming languages, such as Python, C++.

Its concept is based on something called "functional programming", which I had never touched before.

Scarborough Album

I just want to record some beautiful moments in Scarborough.

All photos are not post-edited.

Sunrise on the first snow day of 2021.

Solution of Perfect Path Patrol (ICPC NAQ 2020)

Problem link: Click here.

Some Comments

Well, it has been almost three years since I retired from the Informatics Olympiad.

Recently I'm planning to attend 2021 ICPC North America Qualifier (NAQ).

Honestly, I really have no idea about how many algorithms and data structures I still remember.

So I decided to practice by doing some problems from NAQ 2020, and this is one of those questions that I think is actually very interesting and clever.