搜索内容

XGN 的文章
  • Orange Boy Can You Solve It Out? Ep. 59
    OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 59

    思考题 in mid autumn This is hard version of Ep.58. If you prefer easier problems, please visit this link. LianLi Branches II Wulpit has drawn n nodes(indexed from 1 to n) and n-m edges on paper for homework assignments. They form m rooted trees (a……
    XGN 1天前
  • Orange Boy Can You Solve It Out? Ep. 58
    OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 58

    Solved! Difficulty: Div2 C 思考题 in mid autumn This is easy version of Ep.59. If you prefer harder problems, please visit this link. LianLi Branches Wulpit has drawn n nodes(indexed from 1 to n) and n-m edges on paper for homework assignment……
    XGN 1天前
  • Green Boy Can't You Solve It Out? Ep. 2
    OBCYSIO

    Green Boy Can't You Solve It Out? Ep. 2

    Solved! Difficulty: Div2B 1 problem for div3 participants. Beautiful Dice Painting When Epis is bored, she will draw dices. The canvas contains n*n dots. Initially they are all white. You need to paint exactly v dots black so that the final c……
    XGN 2023年10月22日
  • Orange Boy Can You Solve It Out? Ep. 57
    OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 57

    trivial 思考题 I am Banach This is a classic problem by Banach nearly without any change. There are N boys and M girls. Each boy loves a single girl and each girl loves a single boy. Your task is to divide the boys into two groups A_0 and A_1 and t……
    XGN 2023年10月7日
  • Announcement on Solutions for Orange Boy Can You Solve It Out
    OBCYSIO

    Announcement on Solutions for Orange Boy Can You Solve It Out

    Starting from today, we will try to write tutorials and rate difficulties for already solved Orange Boy Can You Solve It Out?(OBCYSIO) problems and separate them from unsolved/unsolvable ones. There's a new category called Solved OBCYSIO and you ca……
    XGN 2023年10月6日
  • Orange Boy Can You Solve It Out? Ep. 56
    OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 56

    思考题 during OI recovery Rubbish Problem Maybe you have heard of the evil problem Hilbert's Hedge Maze and here's another very fun problem! You have n items arranged in rows. Each row contains r items and the items are arranged from left to right,……
    XGN 2023年10月6日
  • 日行紀要(XGN)
    日记

    日行紀要(XGN)

    概述 本文为XGN(后文称笔者)与其母(后文称母)于令和五年八月六日到十四日的日本国游记,在HHS博客上发表,XGN博客上转录。 「日行紀要」(にこうきよう)? 在笔者之前,已经有一篇翔实而又生动的游记——日本国游记 笔者不及Z氏的文笔和才华,本文也只是简单概述所……
    XGN 2023年8月15日
  • Orange Boy Can You Solve It Out? Ep. 55
    OBCYSIO

    Orange Boy Can You Solve It Out? Ep. 55

    思考题 with hard-to-write checker and interactor Peripheral Lightup! Note: this is not a traditional problem. Follow the instruction in the statement to help construct your solution Lead-in: The Palace is celebrating a festival with LED lights! Ins……
    XGN 2023年7月20日
  • Spice and Wolf: Merchants of Fantasy Release!
    新闻

    Spice and Wolf: Merchants of Fantasy Release!

    Have you ever imagined a crossover between Touhou and Spice&Wolf? Now there is! Introduction S&W:MoF is a fangame of Touhou and Spice and Wolf: My year with Holo. In the game, the player roleplays the merchant Lawrence and embarks on a jour……
    XGN 2023年6月17日
  • 南京大学 2023强基计划考试经验分享
    日记

    南京大学 2023强基计划考试经验分享

    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……
    XGN 2023年6月14日