mrpod2g

摘要： Given a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST's tota... 阅读全文

摘要： Given a range [m, n] where 0 >1; n = n>>1; count++; } return m<<count; }} 阅读全文

摘要： Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer... 阅读全文

摘要： Given a sorted integer array without duplicates, return the summary of its ranges.For example, given[0,1,2,4,5,7], return["0->2","4->5","7"].大体思路：设置一个... 阅读全文

摘要： step1:通过chkconfig --list命令查看mysqld是否在列表中；step2:如果列表中没有mysqld这个，需要先用这个命令添加：chkconfig --add mysqldstep3:然后用这个命令设置开机启动： chkconfig mysqld on 阅读全文

摘要： 一.算法流程 Step1:初始化一群粒子（粒子个数为50个），包括随即位置和速度； Step2:计算每个粒子的适应度fitness； Step3:对每个粒子，将其适应度与其进过的最好位置（局部）pbest做比较，如果较好，则将其作为当前的最好位置pbest； Step4:对每个粒子，将其将其适应值与 阅读全文

摘要： Invert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9to 4 / \ 7 2 / \ / \9 6 3 1/** * Definition for a binary tree node... 阅读全文

摘要： Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ... 阅读全文

摘要： Given an array of integers and an integer k, return true if and only if there are two distinct indices i and j in the array such that nums[i] = nums[j... 阅读全文

摘要： Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr... 阅读全文