确定一个数是否存在于递增型矩阵中: bool FindInMatrixFromTopRightCorner(int(*Matrix)[5], int Row, int Find) { int i = 0, j = 4, tmp = Matrix[0][4]; while (i <= 4) { if ...
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其他好文 时间:
2016-07-04 20:33:10
阅读次数:
144
transform:none|rotate|scale|skew|translate|matrix;(以空格分开) none:不进行转换; rotate:旋转。正数是顺时针旋转,负数为逆时针旋转。如transform:rotate(45deg); scale:缩放。scale(x,y)水平,垂直同时 ...
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其他好文 时间:
2016-07-02 18:52:18
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135
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following mat ...
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编程语言 时间:
2016-07-02 15:49:17
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141
Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2 ...
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编程语言 时间:
2016-07-01 15:54:44
阅读次数:
166
设平面为(nx,ny,nz,d),则以此平面为镜面的列主序反射矩阵如下: 推导如下: 一,平台的表示: 如图所示,过点p,法向量为n的平面,可表示为: np+d=0 其中d为平面到原点的有向距离。如果平面面向原点,则d为正,如果平面背向原点,则d为负。 于是平面可以表示为四维向量(nx,ny,nz, ...
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其他好文 时间:
2016-06-30 20:00:44
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233
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted f ...
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编程语言 时间:
2016-06-28 10:58:59
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187
You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up:Could you do this in-place? 题目大意是将矩阵做就地顺 ...
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编程语言 时间:
2016-06-27 19:47:14
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192
1374 - Confusion in the Problemset PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB A small confusion in a problem set may r ...
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其他好文 时间:
2016-06-27 17:39:34
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269
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted i ...
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编程语言 时间:
2016-06-27 15:37:58
阅读次数:
128