Passwords are a common tool in human society for protecting personal garbage. Some of our friends have lost access to their financial accounts or even their Human Qualification Certificates by exposin

When I was using Arch Linux, one of my favorite packages was snap-pac, which works elegantly with pacman to create snapshots before and after any update. 当我在用 Arch Linux 的时候，我最喜欢的软件包之一是 snap-pac，它可以和

ProblemLink of Problem SolutionThis is an interesting constructive problem. Step 1: Analysis Illegal SituationFirst we need to figure out in what kind of situation, it is an impossible task. Our targe

Intro: Get LCS (Longest Common Sunsequence) in O(NM)Let me beriefly explain the common way to get LCS in textbook. Let A and B are strings, consider using dynamic programming, dp[i][j] represents LCS

What is 3D to 2D Rendering?3D to 2D rendering is the process of automatically converting three-dimensional models into two-dimensional images using a computer. It’s a fundamental technique in computer

Introduction: Why?It seems you’re describing a world many of us can only dream of – one free from the daily deluge of digital communication. Imagine the luxury of a life unburdened by countless logins

Problem 题面Give a number $N$, find the largest number $k$ satisfy the following requirements smaller than $N$: Sum of all digits of $k$ is prime Each digits of $k$ is larger than or equals to the pre

Why You Need a Privacy-Focused Email Avoid Over-Centralization and Protect Your Real Identity: Most people currently use a setup consisting of a Gmail account plus a work or school email. Both are st

Problem 题面In a classroom with n seats, numbered from 0 to n-1, a student must choose the seat with the largest minimum distance to any other occupied seat. If multiple seats satisfy this condition, ch

Problem 题面https://leetcode.cn/problems/integer-to-english-words/description/ Code 代码12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626