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This article is made by Jason-Cow.Welcome to reprint.But please post the writer's address. http://www.cnblogs.com/JasonCow/ 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the writer's address. http://www.cnblogs.com/JasonCow/ 感谢您的关注，赠送数据生成器一个 似乎官方给的是倍增 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the writer's address. http://www.cnblogs.com/JasonCow/ 链剖+线段树 所以为什么 2017.4.8 C题爆零 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the writer's address. http://www.cnblogs.com/JasonCow/ 叉积判方向 点积判角度 角度和=0°在外面 否则在里 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the writer's address. http://www.cnblogs.com/JasonCow/ LA2218 && vijos1087铁人三项 描述 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the writer's address. http://www.cnblogs.com/JasonCow/ [NOIP2015]运输计划 Hello!链剖。你好 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the article's address. 今天学习一下旋(xuan1)转(zhuan3)卡(qia3)壳(qiao4) 1.凸包 2.对踵点 定理：最远点对必 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the article's address. 先解决一个问题，什么是多边形内核 形象的说就是在多边形中可以找到一个区域安放一台360°摄像头，能够监视到整个凸多边 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the article's address. bzoj2618 1A，看懂了题目就是读入的复杂度 把每个凸包看成m个约束条件 一起读入然后做一次HPI O((nm 阅读全文
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This article is made by Jason-Cow.Welcome to reprint.But please post the article's address. 题意，求半平面交，并且保证有解 poj2451 给张图边界（|x,y|<=1000,题目为1e4） 别问我为什么TL 阅读全文