Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3, You should return the followi ...
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编程语言 时间:
2016-06-27 15:31:55
阅读次数:
129
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: You s ...
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编程语言 时间:
2016-06-27 15:18:20
阅读次数:
125
今天的一道题目: https://leetcode.com/problems/max-sum-of-sub-matrix-no-larger-than-k/ 有难度。这一类题目很有代表性。 搜到这个网址有针对一维数组的求和的按照时间复杂度一步步优化的过程,讲的很不错: http://www.cnbl ...
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编程语言 时间:
2016-06-27 15:09:43
阅读次数:
167
Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k. Example: The ...
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其他好文 时间:
2016-06-26 14:03:31
阅读次数:
2171
Give you an integer matrix (with row size n, column size m),find the longest increasing continuous subsequence in this matrix. (The definition of the ...
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其他好文 时间:
2016-06-25 21:33:58
阅读次数:
149
题目描述: Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k. 解题思路: ...
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其他好文 时间:
2016-06-24 18:58:03
阅读次数:
172
今天早上刷微博,看到LeetCode中国微博发了一条题目,是求解二维数组中子矩阵元素和的最大值。想到已经很久没做题练练手了,于是想试试。LeetCode上,该题目的地址为:https://leetcode.com/problems/max-sum-of-sub-matrix-no-larger-than-k/...
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其他好文 时间:
2016-06-24 15:47:59
阅读次数:
401
Python2.7.11(v2.7.11:6d1b6a68f775,Dec52015,20:32:19)[MSCv.150032bit(
Intel)]onwin32
Type"help","copyright","credits"or"license"formoreinformation.
>>>importnumpy
>>>a=numpy.mat([[1,2,3,4],[7,8,9,10]])
>>>a
matrix([[1,2,3,4],
[7,8..
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其他好文 时间:
2016-06-23 01:09:57
阅读次数:
1767
Android中有两个比较重要的矩阵,ColorMatrix和Matrix。ColorMatrix用来改变bitmap的颜色和透明度,Matrix用来对bitmap平移、缩放、错切。ColorMatrix(色彩矩阵)Android中Bitmap色彩用了一个[R, G, B, A],4*1的矩阵来保...
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移动开发 时间:
2016-06-22 01:47:47
阅读次数:
548
Find the kth smallest number in at row and column sorted matrix. Given k = 4 and a matrix: [ [1 ,5 ,7], [3 ,7 ,8], [4 ,8 ,9], ] return 5 这一题是Kth Large ...
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其他好文 时间:
2016-06-21 17:07:38
阅读次数:
327