Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
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其他好文 时间：
2014-12-03 12:14:39
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169
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2...
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其他好文 时间：
2014-12-02 22:12:13
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163
E/AndroidRuntime( 1601): FATAL EXCEPTION: main
E/AndroidRuntime( 1601): Process: com.android.camera2, PID: 1601
E/AndroidRuntime( 1601): android.content.res.Resources$NotFoundException: File res/dra...
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其他好文 时间：
2014-12-02 15:19:38
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452
一、原题
Evaluate Reverse Polish Notation
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer...
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其他好文 时间：
2014-11-29 11:55:26
阅读次数：
204
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close in the c...
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其他好文 时间：
2014-11-29 11:38:05
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124
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
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其他好文 时间：
2014-11-29 08:53:32
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168
JSON is a valid subset of JavaScript, Python, and YAMLJSON parsing is generally faster than XML parsing.JSON is a more compact format, meaning it weig...
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Web程序 时间：
2014-11-29 06:44:14
阅读次数：
141
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
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其他好文 时间：
2014-11-28 17:32:06
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184
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 substrin...
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其他好文 时间：
2014-11-27 23:42:23
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196
Anagram FinderDifficulty:MediumTopics:Write a function which finds all the anagrams in a vector of words. A word x is an anagram of word y if all the ...
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其他好文 时间：
2014-11-27 21:55:09
阅读次数：
202
