Simple 思考题 Ninja Try to find any of three integers X,Y,Z in a given integer array A of length N so that X+Y=Z. Example Input: A={1,2,3} Output: X=1,Y=2,Z=3 Input: A={0} Output: X=0,Y=0,Z=0 Input: A={1,9,2,6,0,8,1,7} Output: X=1,Y=8,Z=9 Input: A=……

思考题 greedy? SMM Have you ever played Super Mario Maker (2)? There's an interesting mode called Endless Challenge. Let's look at a simplified version: The game contains N levels. The player plays from level 1 to level N in order. In Level i, ther……

Sorry, this article is for Chinese readers. 前言 本文章含有Mild Spoiler 笔者二月初的时候瞎逛Nintendo美区网站关注到了RF4S的发布。第一眼看到农场元素就觉得是牧场物语就感觉很熟悉，又听说可以和Monster交朋友，还有一条大龙，笔者对这些元素都很感兴趣，于是……

思考题 long ago Chess Ninetail and Doragon are playing Global Chess on a chessboard with N*M grids. The left-upper corner is (1,1) and the right-lower corner is (N,M) The Global Chess goes as follows: Each player has some soldiers. Ninetail plays ……

$[问题]证明\pi是无理数$ math latex中文字为解答,斜体文字为注释 [解答]首先还是老套路,设\pi=\frac{a}{b} 令f(x)=\frac{x^n(a-bx)^n}{n!}① 之所以要写成这种分母为n!的形式,是为了方便后面用麦克劳林展开比较系数 所以f(x)=\frac{b^nx^n(\pi-x)^n}{n!}② 由②易得f(x)……

前言 最近感觉看睿站有点多，浪费了很多时间。 正巧看见了rsshub的b站up订阅功能 就开始寻找rss服务 但找了半天都没有合适的服务 决定自己建一个 准备 服务器一台 一定的动手能力、搜索能力 过程 一开始使用Docker镜像的方式进行安装 使用SSH进行安装 sudo apt instal……

Hi, coders! I, XGN, welcome you to LSS 4, the super easy contest. Contest Detail: Start at 2020/3/2 and deadline is the weekend after English Extra Exam is finished. Contest Duration: 1h Problem Count: 4 Score Distribution: 50+50+100+100 Difficult……

思考题 with song 75 There have been 73 heroes failing to rescue the princess, and the 74-th was killed by the princess. As the 75-th knight, you decided to become stronger so that you would survive the princess's attack. You are given a directed g……

LSS 1-3 has ended! If you don't know, it's a contest focused on fast hand speed. The problems are usually easy and neat with simple concept. Here are some results: Problem Tag Tag LSS1 LSS2 LSS3 A math math implementation B math dp dfs & s……

Readers, we present, the Ultimate Reading Comprehension Challenge! If you don't know what Reading Comprehension is, it's about you are given a passage, you read it and answer the question. Sounds neat, but this time we will something crazy! We'll g……