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  • 技术

    用冠状病毒学习客户端请求方式

    啊,中国的朋友们大家好,我是来自HHS的XGN。最近冠状病毒爆发,各地都在出台政策防治。笔者刚从老家回来,路上受到了各种检查和测温。假设我们将每一台车上的人看作一个服务器,每一组检查站看成一个客户端。那么,检查站想要连续、精确的获取到车上的人的体温,有什……
    XGN 2020-01-28
  • 新闻

    2020 STG Release

    It's gonna be 2020 Chinese New Year. Seems someone is going to send a gift. The 2020 STG! Warning: Play Touhou first before playing this Story In Gensyoku it's going to be the Lunar New Year. Reimu is going to invite Nazrin as one of the moscots. B……
    XGN 2020-01-23
  • 题&解

    LSS 1 Editorial

    Contest Link If you haven't read the problems or tried to solve it yourself, don't read this. A - Clock Difficulty: d2b Hint The hour hand of the clock moves 0.5 degree per minute, the minute hand of the clock moves 6 degree per minute. Then it tur……
    XGN 2020-01-16
  • 题&解

    [Indiscipline][0]神必的不等式

    这是一个神必的不等式技巧,睡觉时候想的,我也不知道对不对,用就完事儿了 :/ 0.1 如图,这是一个严格上凸函数y=f(x) 它的上面有两点(x_0,y_0),(x_1,y_1) 先做出这两点的2条切线,再将这两点连起来 易观察得斜率由大到小分别是左边切线,中间连线,右边切线 证明亦不难: 由……
    HDD 2020-01-14
  • 题&解

    [Crimson Boy Can You Solve This?] [0] easy algebra

    This is an easy algebra problem. I believe clever jgh must can solve it in 1min! We know that x-\frac{y}{z}-\frac{z}{y}=y-\frac{x}{z}-\frac{z}{x}=z-\frac{x}{y}-\frac{y}{x}=a and x {\neq}y{\neq}z (1) What is the value of x+y+z ? (2) What is the valu……
    HDD 2020-01-05