[leetcode]Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses....
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其他好文 时间:
2014-10-21 12:26:59
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166
LCM Cardinality
Input: Standard Input
Output: Standard Output
Time Limit: 2 Seconds
A pair of numbers has a unique LCM but a single number can be the LCM of more than one possible pairs. For ex...
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其他好文 时间:
2014-10-17 15:37:49
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260
【题目】
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
"((()))", "(()())", "(())()", "()(())", "()...
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其他好文 时间:
2014-10-16 17:12:42
阅读次数:
186
先上一段代码:local tbl = { ["a"] = 1, ["b"] = 2 }local cpy = tblfor k, v in pairs( tbl ) do print( "tab: " .. k .. ":".. v ) -- 打印tbl里的元素值endfor k, v i...
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其他好文 时间:
2014-10-10 16:03:40
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176
题目:Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your al...
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其他好文 时间:
2014-10-09 00:31:07
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234
DescriptionD Anti-Rhyme Pairs Input: Standard Input Output: Standard Output Often two words that rhyme also end in the same sequence of characters. We...
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其他好文 时间:
2014-10-08 11:01:35
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261
You are given a list of cities. Each direct connection between two cities has its transportation cost (an integer bigger than 0). The goal is to find the paths of minimum cost between pairs of cities....
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Web程序 时间:
2014-10-05 01:29:57
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289
[leetcode]Given a linked list, swap every two adjacent nodes and return its head....
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其他好文 时间:
2014-10-02 10:53:52
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162
If you have a relatively small collection of key-values that you'd like to save, you should use the SharedPreferences APIs.
ASharedPreferences object
points to a file containing key-value pairs an...
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其他好文 时间:
2014-10-01 02:51:10
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232
lua 中pairs 和 ipairs区别
标准库提供了集中迭代器,包括迭代文件每行的(io.lines),迭代table元素的(pairs),迭代数组元素的(ipairs),迭代字符串中单词的
(string.gmatch)等等。LUA手册中对与pairs,ipairs解释如下:
ipairs (t)
Returns three values: an ite...
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其他好文 时间:
2014-09-29 13:32:41
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222