Given a collection of integers that might
contain duplicates,S, return all possible subsets.Note: Elements in a subset
must be in non-descending o...
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其他好文 时间：
2014-06-04 18:37:55
阅读次数：
322
【题目】
Follow up for "Remove Duplicates":
What if duplicates are allowed at most twice?
For example,
Given sorted array A = [1,1,1,2,2,3],
Your function should return length = 5, and A is now [1,1,2,2,3].
【题意】
给定一个有序数组，给数组去重，和Remove Duplicates from...
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其他好文 时间：
2014-06-03 05:36:24
阅读次数：
219
【题目】
Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2, return 1->2.
Given 1->1->2->3->3, return 1->2->3.
【题意】
给定一个已排序的链表，删除其中的重复元素
【思路】
维护两个指针prev和cur, cur指针负责扫描链表，prev指向cur的前一...
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其他好文 时间：
2014-06-03 04:05:39
阅读次数：
231
1、
??
Construct Binary Tree from Inorder and Postorder Traversal
Given inorder and postorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates do not exist in...
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其他好文 时间：
2014-06-03 03:13:59
阅读次数：
195
【题目】
Follow up for "Search in Rotated Sorted Array":
What if duplicates are allowed?
Would this affect the run-time complexity? How and why?
Write a function to determine if a given target is in the array.
【题意】
在“Search in Rotated Sorted Array”的基...
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其他好文 时间：
2014-06-03 01:55:38
阅读次数：
173
问题：
Given a collection of numbers that might contain duplicates, return all possible unique permutations.
For example,
[1,1,2] have the following unique permutations:
[1,1,2], [1,2,1],
and...
分类：
其他好文 时间：
2014-06-01 13:03:12
阅读次数：
324
【题目】
Given a collection of integers that might contain duplicates, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.
The solution set must not contain duplicate subsets.
For example,
If S = [1,2,2], a solution ...
分类：
其他好文 时间：
2014-06-01 08:51:06
阅读次数：
292
【题目】
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->3->3->4->4->5, return 1->2->5.
Given 1->1->1->2->3, return 2->3.
【题意】
给定一个有序链表，删出其中重复出现的值...
分类：
其他好文 时间：
2014-05-31 21:14:11
阅读次数：
333
Given inorder and postorder traversal of a
tree, construct the binary tree.Note:You may assume that duplicates do not exist
in the tree./** * Definiti...
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其他好文 时间：
2014-05-30 16:12:22
阅读次数：
288
Given preorder and inorder traversal of a tree,
construct the binary tree.Note:You may assume that duplicates do not exist in
the tree./** * Definitio...
分类：
其他好文 时间：
2014-05-30 16:02:40
阅读次数：
289
