Tag Archives: Math

  1. 三个点的位置.Graham scan.Convex Hull

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    June 18, 2017 by oneOokay

    解决的是几何问题… 两条直线是否相交 二维数组标示x,y的点的集合, Find simple closed path. 就是点集外檐的一个轮廓.(connect the dots without crossing) 同样点的集合,求形成一个凸包的边缘点的集合. Orientation of 3 ordered points http://www.geeksforgeeks.org/orientation-3-ordered-points/ 给3个点,判断这三个点的相对位置. …
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  2. Roman to Integer/Integer to Roman

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    February 13, 2017 by oneOokay

    roman numerals chart http://literacy.kent.edu/Minigrants/Cinci/romanchart.htm 罗马字表: I = 1; V = 5; X = 10; L = 50; C = 100; …
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  3. Excel Sheet Column Title/Number

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    February 13, 2017 by oneOokay

    啊 我发现我竟然不太会进制转化… Excel Sheet Column Title Given a positive integer, return its corresponding column title as appear in an Excel …
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