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Surrounded Regions
Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded region...
分类:其他好文   时间:2014-10-24 23:36:15    阅读次数:309
HBase性能调优
因官方Book Performance Tuning部分章节没有按配置项进行索引,不能达到快速查阅的效果。所以我以配置项驱动,重新整理了原文,并补充一些自己的理解,如有错误,欢迎指正。配置优化zookeeper.session.timeout 默认值:3分钟(180000ms) 说明:RegionS...
分类:其他好文   时间:2014-10-17 18:30:05    阅读次数:248
Leetcode: Surrounded Regions
Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'.A region is captured by flipping all 'O's into 'X's in that surrounded ...
分类:其他好文   时间:2014-10-10 06:05:44    阅读次数:238
Surrounded Regions LeetCode :My Solution
Surrounded Regions  Total Accepted: 14948 Total Submissions: 105121My Submissions Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by...
分类:其他好文   时间:2014-10-09 01:20:38    阅读次数:237
HDU - 5047 Sawtooth
Problem Description Think about a plane: ● One straight line can divide a plane into two regions. ● Two lines can divide a plane into at most four regions. ● Three lines can divide a plane int...
分类:其他好文   时间:2014-09-28 01:35:10    阅读次数:361
UVALive 6663 Count the Regions (离散化,染色,dfs)
https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4675 题意: 二维平面内给出若干矩形,平面被矩形的边分为若干个区域,求一共有多少区域。 分析: 由于矩形只有50个,离散化后的平面大约是100*100的。不妨对于每个矩形覆盖...
分类:其他好文   时间:2014-09-26 02:36:08    阅读次数:198
[leetcode]Surrounded Regions @ Python
原题地址:https://oj.leetcode.com/problems/surrounded-regions/题意:Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is cap...
分类:编程语言   时间:2014-09-24 14:06:06    阅读次数:319
Surrounded Regions
[leetcode]Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'....
分类:其他好文   时间:2014-09-23 13:45:14    阅读次数:180
leetcode——surronded regions
时间复杂度: O(n) 看见复杂度:O(n) 题意解析: 就是把所有被“x”包围的“o”替换成 x。所谓 “包围” 是指 上下左右 四个方向,不包括斜上,斜下。。。 算法思路: 没有被“x” 围住: 就是 那一组联通的“o“ 连接到边界了,只要把连接到边界的 ”o“ 替换成*,其他的o就替换成x,最后再把*还原成O 在把连接到边界的O替换成* 用的是bfs,具体代码如下,t...
分类:其他好文   时间:2014-09-22 18:21:53    阅读次数:177
Surrounded Regions
leetcode 经典搜索题目 Surrounded Regions 。...
分类:其他好文   时间:2014-09-12 22:10:44    阅读次数:278
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