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 ……

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……

Hi, coders! I welcome you to LiShi Simulation Contest 3. Details of the contest: Tournament Time: 2020/2/13-2020/2/29 Place: Here Problem Count:3(100+100+100) Time: 1 Hour Difficulty: D2B-D2C Subtask: YES for all three problems! Characters: Ookami……

思考题 with anime Unlimited Fafnir After watching the famous anime Unlimited Fafnir, XGN got excited. So he decided to recreate the scene of fighting the Basilisk. This time, Yuu is going to do it himself. Let's suppose the world is a 2D plane. The……

2019-01-01 WN,ZKY,HDD,ZJS,XZM,XGN,HYK,ZXY,ZYD The First of HHS New Year Party. 2019-02-06 XGN The first HHS real 3D game Planet ZJS released 2019-04-04 XZM The blog site is up! 2019-04-14 XGN,SYR,JGH Orange Boy Can You Solve It Out? series starts 2……

思考题so late? Dazzit Again This is an easy version of OBCYSIO 28) You are given an integer sequence A of length N and another sequence B of length M. Then imagine a game: First, you choose exactly M different elements and arrange them, let's call ……