题目
Given preorder and inorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates do not exist in the tree.
方法
根据树的中序遍历和前序遍历,来构造树,使用递归的思想。
Tre...
分类:
其他好文 时间:
2014-06-20 12:14:49
阅读次数:
262
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.
方法
遍...
分类:
其他好文 时间:
2014-06-11 00:41:44
阅读次数:
207
Given a sorted linked list, delete all nodes
that have duplicate numbers, leaving onlydistinctnumbers from the original
list.For example,Given1->2->3-...
分类:
其他好文 时间:
2014-06-08 21:56:41
阅读次数:
297
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 c...
分类:
其他好文 时间:
2014-06-08 05:32:21
阅读次数:
196
题目...For example,Given input array A = [1,1,2],Your function should return length = 2, and A is now [1,2].
解题思路,
移除数组中的重复元素,并返回新数组的长度。
这个题目应该算是简单的题目。使用两个变量就可以。具体的看代码
代码实现......
分类:
其他好文 时间:
2014-06-08 03:54:22
阅读次数:
279
题目
Given inorder and postorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates do not exist in the tree.
方法
根据树的中序遍历和后序遍历,来恢复树,使用递归的思想。
Tr...
分类:
其他好文 时间:
2014-06-07 14:50:37
阅读次数:
231
Given a sorted linked list, delete all
duplicates such that each element appear onlyonce.For
example,Given1->1->2, return1->2.Given1->1->2->3->3,
retu...
分类:
其他好文 时间:
2014-06-06 14:54:28
阅读次数:
221
Given a sorted linked list, delete all
duplicates such that each element appear onlyonce.For
example,Given1->1->2, return1->2.Given1->1->2->3->3,
retu...
分类:
其他好文 时间:
2014-06-06 07:00:36
阅读次数:
269
Given a sorted linked list, delete all nodes
that have duplicate numbers, leaving onlydistinctnumbers from the original
list.For example,Given1->2->3-...
分类:
其他好文 时间:
2014-06-06 06:57:18
阅读次数:
271
Given a sorted array, remove the duplicates in
place such that each element appear only once and return the new length.Do not
allocate extra space for...
分类:
其他好文 时间:
2014-06-06 06:53:19
阅读次数:
347