In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data. ...
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其他好文 时间:
2018-08-19 11:00:19
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170
题目描述: In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original ...
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其他好文 时间:
2018-08-18 15:28:19
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122
《Matrix》(HDU) 题意:n*m矩阵,每个点可黑可白,问有多少种方案使矩阵至少有A行B列全黑。 思路:第一反应当然是容斥,但是发现a+1行全黑的方案,并不是恰被a行全黑的方案多算a次,所以直接+1,-1,+1,-1这样的容斥系数就不可行。 而如果DP,复杂度太高,不可行。 于是考虑手推容斥系 ...
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其他好文 时间:
2018-08-18 11:37:50
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165
描述 Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j] = 0 (1 ...
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编程语言 时间:
2018-08-18 10:25:04
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204
Given a binary matrix A, we want to flip the image horizontally, then invert it, and return the resulting image. To flip an image horizontally means t ...
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其他好文 时间:
2018-08-17 01:23:06
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131
Sparse Matrix Multiplication public class Solution { public int[][] multiply(int[][] a, int[][] b) { if (a == null || b == null) { return new int[0][0... ...
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2018-08-17 01:22:56
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120
transform:2D变形:通过 CSS3 转换,我们能够对元素进行移动、缩放、转动、拉长或拉伸。转换方法:translate()/rotate()/scale()/skew()/matrix() none 定义不进行转换。translate(x,y) 定义 2D 平移转换。translateX( ...
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Web程序 时间:
2018-08-16 23:50:40
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419
Time limit :2000 ms Memory limit :32768 kB Consider the following exercise, found in a generic linear algebra textbook. Let A be an n × n matrix. Prov ...
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其他好文 时间:
2018-08-16 22:33:05
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190
1 #ifndef MATRIX_H 2 #define MATRIX_H 3 4 5 #include 6 #include 7 8 template 9 class Matrix 10 { 11 private: 12 T** elem; 13 int size_x, size_y; 14 pu... ...
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其他好文 时间:
2018-08-16 13:44:12
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Parentheses Matrix Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 0 Accepted Submission(s): 0S ...
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其他好文 时间:
2018-08-15 18:36:35
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149