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leetcode------Set Matrix Zeroes
标题:Set Matrix Zeroes通过率:31.3%难度:中等Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Fol...
分类:其他好文   时间:2015-02-09 12:43:33    阅读次数:108
UVa 11082 (网络流建模) Matrix Decompressing
网络流不难写,难的建一个能解决问题的模型。。即使我知道这是网络流专题的题目,也绝不会能想出这种解法,=_=||题意:给出一个矩阵的 前i行和 以及 前i列和,然后找到一个满足要求的矩阵,而且每个元素在1~20之间。分析:先求出每行的元素和A'i 每列的元素和B'i紫书上说建一个二分图,每行是一个X....
分类:其他好文   时间:2015-02-09 00:39:43    阅读次数:236
hdu 5171 GTY's birthday gift (BestCoder Round #29)
GTY's birthday gift                                                                       Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)                       ...
分类:其他好文   时间:2015-02-08 09:05:49    阅读次数:221
LeetCode 048 Rotate Image
题目要求:Rotate ImageYou are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?代码...
分类:其他好文   时间:2015-02-07 21:32:30    阅读次数:204
POJ 2155 Matrix【二维线段树】
题目大意:给你一个全是0的N*N矩阵,每次有两种操作:1将矩阵中一个子矩阵置反,2.查询某个点是0还是1思路:裸的二维线段树#include#include#include #include#include#include#define MOD 1000003#define maxn 4009#de...
分类:其他好文   时间:2015-02-07 17:18:39    阅读次数:199
【leecode】 Spiral Matrix
Spiral MatrixGiven 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 ...
分类:其他好文   时间:2015-02-07 17:15:17    阅读次数:107
【leetcode】Spiral Matrix II
Spiral Matrix IIGiven an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3,You should ret...
分类:其他好文   时间:2015-02-07 17:14:43    阅读次数:82
leetcode_74_Search a 2D Matrix
版权所有,欢迎转载,转载请注明出处,谢谢 Search a 2D Matrix 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 sorte...
分类:其他好文   时间:2015-02-06 18:56:40    阅读次数:116
[LeetCode]54.Spiral Matrix
【题目】 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: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, ...
分类:其他好文   时间:2015-02-05 11:18:02    阅读次数:172
LeetCode——Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2015-02-05 10:53:08    阅读次数:131
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