题目链接在字符串a中查找字符串b出现的次数...貌似不可以用a.count()附上代码:1 a =
raw_input().strip()2 b = raw_input().strip()3 cnt = 0;4 for i in
xrange(len(a)):5 cnt += 1 if a....
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其他好文 时间:
2014-05-14 04:13:06
阅读次数:
308
题目
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.
For "(()", the longest valid parentheses substring is "()", ...
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其他好文 时间:
2014-05-14 01:10:30
阅读次数:
318
Bob enjoys playing computer games, especially
strategic games, but sometimes he cannot find the solution fast enough and then
he is very sad. Now he h...
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其他好文 时间:
2014-05-14 00:29:42
阅读次数:
251
TriangleGiven a triangle, find the minimum path
sum from top to bottom. Each step you may move to adjacent numbers on the row
below.For example, given...
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其他好文 时间:
2014-05-13 18:51:44
阅读次数:
297
JavaScript实现弹窗报错
1、具体错误如下
SCRIPT 5022:cannot call methods on dialog prior to initialization;
attempted to call method 'open'.
2、错误原因
3、解决办法...
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编程语言 时间:
2014-05-13 07:01:27
阅读次数:
463
在安装完ambari-server并配置之后,选定客户端进行指定安装的时候,发现总是遇到这一错误AmbariAgenthostcannotreachAmbariServer‘localhost:8080‘.
我看了一下错误日志发现在从ambari-server传送到客户端的setupAgent.py脚本的main函数中的参数设置老是不对,如下所示:156d..
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其他好文 时间:
2014-05-13 00:58:06
阅读次数:
598
判断shutcut是否安装
"com.android.launcher.permission.READ_SETTINGS"/>
这段代码在模拟器上运行没有问题,但是在htc s510e运行报异常Failed to find provider info for com.android.launcher2.settings
通过但因htc所有包发现htc中的launcher被定制了改名为co...
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移动开发 时间:
2014-05-12 23:58:28
阅读次数:
625
Multiple annotations found at this line: - schema_reference.4: Failed to read schema document 'http://www.directwebremoting.org/schema/spring-dwr-2.0.xsd', because 1) could not find the document; 2)...
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编程语言 时间:
2014-05-12 22:55:47
阅读次数:
409
You are given a string, S, and a list of words,
L, that are all of the same length. Find all starting indices of substring(s) in
S that is a concatena...
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其他好文 时间:
2014-05-12 22:27:04
阅读次数:
265
原题地址:http://oj.leetcode.com/problems/minimum-depth-of-binary-tree/题意:Given
a binary tree, find its minimum depth.The minimum depth is the number of no...
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编程语言 时间:
2014-05-12 21:55:15
阅读次数:
348