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Construct Binary Tree from Preorder and Inorder Traversal
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
LEETCODE--Remove Duplicates from Sorted List II
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
Subsets II
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
[LeetCode] Remove Duplicates from Sorted Array [19]
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
Construct Binary Tree from Inorder and Postorder Traversal
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
[Oracle] enq: TX - row lock contention 优化案例
根据开发反馈,最近每天早上7:30应用会报警,应用的日志显示数据库连接池满了,新的连接被拒绝。 首先,我做了ASH报告(报告区间:7:25 ~ 7:35),从ASH的等待事件发现enq: TX - row lock contention居然高达76.54%,如下所示: Top User Events Event Event Class % Even...
分类:数据库   时间:2014-06-07 13:52:50    阅读次数:308
LEETCODE Remove Duplicates from Sorted List
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
leetcode--Remove Duplicates from Sorted List
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
leetcode--Remove Duplicates from Sorted List II
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
LeetCode:Remove Duplicates from Sorted Array && Remove Element
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
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