Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus...
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其他好文 时间:
2015-08-08 14:54:35
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114
Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus...
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其他好文 时间:
2015-08-07 19:12:20
阅读次数:
206
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))...
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其他好文 时间:
2015-08-05 19:54:01
阅读次数:
103
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:
2015-08-05 12:27:30
阅读次数:
108
Parencodings
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 23040
Accepted: 13501
Description
Let S = s1 s2...s2n be a well-formed string of parentheses. S...
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其他好文 时间:
2015-08-04 19:23:43
阅读次数:
108
Problem Definition:Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, given n = 3, a ...
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其他好文 时间:
2015-08-01 21:48:07
阅读次数:
80
My initial thought was recursive (a op b) evaluation, which doesn't work quite well.The correct way is to split by op. And, we can cache calculaton re...
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其他好文 时间:
2015-08-01 14:12:44
阅读次数:
101
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:
2015-08-01 10:07:41
阅读次数:
107
今天看书的时候发现一个类里的一个成员函数是这样的:
operator int() const;
。。。以前从来没见过。
这玩意儿叫做转换函数,它是一种特殊的类成员函数。 它定义将类类型值转变为其他类型值的转换。 转换操作符在类定义体内声明, 在保留字operator之后跟着转换的目标类型:一.
转换函数采用如下通用形式:
operator type();...
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其他好文 时间:
2015-08-01 01:12:13
阅读次数:
114
Different Ways to Add ParenthesesTotal Accepted:1708Total Submissions:6304My SubmissionsQuestionSolutionGiven a string of numbers and operators, retur...
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其他好文 时间:
2015-07-31 10:17:15
阅读次数:
193