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This article is made by Jason-Cow.Welcome to reprint.But please post the article's address. 题意见白书,P272~273 把之前的板子拼起来就可以了 ans=(S(木板)*100/S(凸包))% 板子太长,先 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. 关键一句话 附加,极角排序,课上讲~~ 学了Andrew后,觉得Graham好丑,而且常数还大 唯一的好处是好写,其 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. 利用一下叉积和栈 阅读全文