Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.
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其他好文 时间:
2014-07-07 23:02:31
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193
题目
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.
Follow up:
Did you use extra space?
A straight forward solution using O(mn) space is probab...
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其他好文 时间:
2014-06-30 06:17:09
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245
Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up:Did you use extra space?A s...
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其他好文 时间:
2014-06-28 09:55:50
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205
题目描述After several years of record milk production, Farmer John now operates an entire network of N farms (1 = B_2 >= B_3), then FJ wants to make B_1 a...
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其他好文 时间:
2014-06-21 07:57:04
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355
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. Could you devise a constant space solution?
思路:因为需要遍历整个矩阵,时间复杂度肯定需要O(m * n),对于空间复杂度而言,第一种是可以使用O(m * n),...
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其他好文 时间:
2014-06-18 12:33:39
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167
【题目】
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.
【题意】
给定一个mXn的矩阵,如果其中的元素为0,则对应的行和列都用0填充。
不能申请额外的空间。
【思路】
第一行和第一列空出来标记需要置0的列和行
第一遍扫描:
扫描第一行,判断第一行是否需要清零
...
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其他好文 时间:
2014-06-05 08:07:11
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229
1 - Tomcat Server的组成部分
1.1 - Server
A Server element represents the entire Catalina servlet container. (Singleton)
1.2 - Service
A Service element represents the combination of one or more Con...
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其他好文 时间:
2014-05-25 07:10:23
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278
【题目】
Implement wildcard pattern matching with support for '?' and '*'.
'?' Matches any single character.
'*' Matches any sequence of characters (including the empty sequence).
The matching should cover the entire input string (not partial).
The functi...
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其他好文 时间:
2014-05-23 00:17:12
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364
usingandusing namespacehave validity only in
the same block in which they are stated or in the entire source code file if
they are used directly in th...
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其他好文 时间:
2014-05-22 02:08:48
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268
Normally, when the Directory Server conducts a
search, the server looks through the entire entry for a match, throughout the
entire directory. For lar...
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其他好文 时间:
2014-05-20 01:23:35
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277