Problem Description:Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.Solution: 递归。 1 public List>...
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其他好文 时间：
2014-07-07 16:59:12
阅读次数：
169
Problem Description:Sort a linked list using insertion sort.Solution: 1 public class Solution { 2 public ListNode insertionSortList(ListNode head)...
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其他好文 时间：
2014-07-07 16:57:55
阅读次数：
117
Problem Description:Sort a linked list inO(nlogn) time using constant space complexity.Solution: 1 public ListNode sortList(ListNode head) { 2 ...
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其他好文 时间：
2014-07-07 16:48:00
阅读次数：
238
Problem Description:Given a binary tree, return thepostordertraversal of its nodes' valuesSolution: 1 public List postorderTraversal(TreeNode root) { ...
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其他好文 时间：
2014-07-07 16:45:23
阅读次数：
177
Problem Description:Given a binary tree, return thepreordertraversal of its nodes' values.Solution: 1 public List preorderTraversal(TreeNode root)...
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其他好文 时间：
2014-07-07 16:34:34
阅读次数：
208
Problem Description:A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null...
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其他好文 时间：
2014-07-07 16:19:01
阅读次数：
188
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.For example,Given 1->2-...
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其他好文 时间：
2014-07-07 16:17:00
阅读次数：
139
Problem Description:Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.Solution: 1 public UndirectedGraph...
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其他好文 时间：
2014-07-07 16:11:57
阅读次数：
192
Problem Description:Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?Solution: 1 public bo....
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其他好文 时间：
2014-07-07 16:08:01
阅读次数：
151
题目：Merge Two Sorted ListsMerge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the ...
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其他好文 时间：
2014-07-07 14:06:19
阅读次数：
221
