Given a BST, transform it into greater sum tree where each node contains sum of all nodes greater than that node. 自己想的复杂了,其实就是一个反向的inorder.新的值就是前面所有元素的求和.…

R.java 文件内报错:Underscores can only be used with source level 1.7 or greater 网上查找后得知是Android工程图片资源命名的问题,具体参考http://black-tulip.blogcn.com/2012/08/android%E5%B7%A5%E7%A8%8B%E5%9B%BE%E7%89%87%E8%B5%84%E6%BA%90%E5%91%BD%E5%90%8D%E7%A6%81%E5%BF%8C/ Android…

题目链接:http://poj.org/problem?id=2407 Relatives Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 13599   Accepted: 6772 Description Given n, a positive integer, how many positive integers less than n are relatively prime to n? Two integers…

We all know how to search through an array for an element whose value equals the target value, but how to search for the element that has value greater than the target value? A particularly elegant way of thinking about this problem is to think about…

今天在部署flume集群时,在启动collector服务器没报错,启动agent服务器报错: File Channel transaction capacity cannot be greater than the capacity of the  channel capacity 查了下相关解决办法,将配置文件中的 agent.channels.memoryChannel.capacity = 1000调整为 agent.channels.memoryChannel.capacity = 10…

安装完ASP.NET,Oracle9i客户端后,使用System.Data.OracleClient访问Oracle数据库如果出现这种错误:System.Data.OracleClient requires Oracle client software version 8.1.7 or greater. 原因Oracle 9i Release 2 客户端在安装到Windows的NTFS分区下时的安全认证设置不正确,引起本机的Authenticated Users用户无法看到ORACLE_HOME…

You are given two arrays (without duplicates) nums1 and nums2 where nums1's elements are subset of nums2. Find all the next greater numbers for nums1's elements in the corresponding places of nums2. The Next Greater Number of a number x in nums1 is t…

Given a positive 32-bit integer n, you need to find the smallest 32-bit integer which has exactly the same digits existing in the integer n and is greater in value than n. If no such positive 32-bit integer exists, you need to return -1. Example 1: I…

You are given two arrays (without duplicates) nums1 and nums2 where nums1's elements are subset of nums2. Find all the next greater numbers for nums1's elements in the corresponding places of nums2. The Next Greater Number of a number x in nums1 is t…

Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input: The root of a Binary Search Tree like thi…