Problem Description:Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a...
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其他好文 时间：
2014-07-07 16:03:32
阅读次数：
168
The operators we have seen so far are all special characters like + and *, but there are a few operators that are words. in is a boolean operator that...
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其他好文 时间：
2014-07-07 15:39:31
阅读次数：
246
Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the longest...
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其他好文 时间：
2014-07-07 15:34:56
阅读次数：
160
Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe...
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其他好文 时间：
2014-07-07 15:30:23
阅读次数：
169
Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).
Idiomatic Phrases Game
Time Limit: 2 Seconds Memory Limit: 65536 KB
Tom is playing a game called Idiomatic Phrases Game. An idiom consists of several Chinese characters and has a certain me...
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其他好文 时间：
2014-07-02 08:11:52
阅读次数：
167
Valid Parentheses：Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets m...
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其他好文 时间：
2014-07-01 21:24:05
阅读次数：
180
Format characters have the following meaning; the conversion between C and Python values should be obvious given their types. The ‘Standard size’ column refers to the size of the packed value in bytes...
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编程语言 时间：
2014-07-01 14:51:47
阅读次数：
391
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：
2014-07-01 09:09:06
阅读次数：
156
题目
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified.
You should pack your words in a greedy approa...
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其他好文 时间：
2014-06-29 23:44:02
阅读次数：
357
