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:
2015-04-30 10:32:56
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104
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问题描述:Given n pairs of parentheses, write a function to generate allcombinations of well-formed
parentheses.
For example, given n = 3, a solution setis:
"((()))","(()())", "(())()", "()((...
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其他好文 时间:
2015-04-28 18:34:13
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112
Problem Description
There are a group of students. Some of them may know each other, while others don't. For example, A and B know each other, B and C know each other. But this may not imply that A and C know each other.
Now you are given all pairs of stu...
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其他好文 时间:
2015-04-28 11:58:05
阅读次数:
144
基本的R包已经实现了传统多元统计的很多功能,然而CRNA的许多其它包提供了更深入的多元统计方法,下面要综述的包主要分为以下几个部分:1) 多元数据可视化(Visualising multivariate data):绘图方法:基本画图函数(如:pairs()、coplot())和lattice包里的...
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其他好文 时间:
2015-04-28 11:21:01
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291
Swap Nodes in PairsTotal Accepted:45110Total Submissions:138992My SubmissionsQuestionSolutionGiven a linked list, swap every two adjacent nodes and re...
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其他好文 时间:
2015-04-25 16:30:13
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125
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:
2015-04-25 11:58:22
阅读次数:
95
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.
Your algorithm should u...
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其他好文 时间:
2015-04-23 15:52:23
阅读次数:
186
Generate Parentheses
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:
2015-04-21 22:41:56
阅读次数:
144
我写的代码就不贴了。下面这个是discuss里看的,代码真的好简洁,而且思路清晰,并不影响阅读,学习 1 public class Solution { 2 public ListNode swapPairs(ListNode head) { 3 ListNode start = new...
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其他好文 时间:
2015-04-21 20:36:38
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137
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 algor...
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其他好文 时间:
2015-04-20 16:38:34
阅读次数:
116