https://oj.leetcode.com/problems/generate-parentheses/Given n pairs of parentheses, write a function to generate all combinations of well-formed paren...
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其他好文 时间:
2015-02-20 21:59:00
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324
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Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3...
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其他好文 时间:
2015-02-13 11:44:24
阅读次数:
127
Given n pairs of parentheses, write a function togenerate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
"((()))","(()())", "(())()", "()(())", "()()()"
H...
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其他好文 时间:
2015-02-10 23:18:29
阅读次数:
396
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)...
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其他好文 时间:
2015-02-09 15:27:58
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115
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:
2015-02-09 14:09:47
阅读次数:
113
题目描述:Swap Nodes in PairsGiven a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list...
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其他好文 时间:
2015-02-07 17:11:34
阅读次数:
105
Calculate a + bInputThe input will consist of a series of pairs of integers a and b,separated by a space, one pair of integers per line.OutputFor each...
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其他好文 时间:
2015-02-07 15:44:43
阅读次数:
183
acm算法最短路径能力有限,今天只是研究了两种fioyd和Dijkstra算法,还有一个BellmanFord得明天接触了,下一篇是c写的最短路径floyd算法部分内容参考http://leon.cc.blogbus.com/logs/3629782.htmlAll-Pairs 的最短路径问题:所有...
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编程语言 时间:
2015-02-06 18:36:50
阅读次数:
175
The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i aj.
For a given sequence of numbers a1, a2, ..., an, if we move the first m >= 0 numbers to the end of the seqence, we will obtain ...
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其他好文 时间:
2015-02-06 15:03:24
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126
https://oj.leetcode.com/problems/swap-nodes-in-pairs/Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->...
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其他好文 时间:
2015-02-02 22:57:49
阅读次数:
217