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[leetcode] 69 Sqrt(x)
问题描述: Implement int sqrt(int x). Compute and return the square root of x. 基本思路: 采用二分查找法; 犹豫输入x是int型 ,int最大范围是2147483647 ,所以返回结果的范围0-46340. 注意要根据确定的区间去查找正确的返回值,如果大于46340的数的平方将超出int的表示范围。 代码:...
分类:其他好文   时间:2015-01-18 17:18:16    阅读次数:99
Single Number II
题目: Given an array of integers, every element appears three times except for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Could you implement it with...
分类:其他好文   时间:2015-01-18 13:14:19    阅读次数:196
[LeetCode] Binary Search Tree Iterator 二叉搜索树迭代器
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will return the next...
分类:其他好文   时间:2015-01-18 09:17:43    阅读次数:146
leetcode 146. LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
分类:系统相关   时间:2015-01-17 17:43:35    阅读次数:253
[LEETCODE][PYTHON][DP]REGULAR EXPRESSION MATCHING
# -*- coding: utf8 -*-'''https://oj.leetcode.com/problems/regular-expression-matching/Implement regular expression matching with support for '.' and '...
分类:编程语言   时间:2015-01-17 06:25:11    阅读次数:212
Android Studio implements 一个类后如何实现这个类的方法
public class BDLocationListenerImpl implements BDLocationListener 1.首先选中BDLocationListener,然后右键 2. 选择Generate,出现下图: 3.选择 Implement Methods,出现下图 4.选择要实现的方法,完毕。 另外,可以用快捷键CTRL+n 会弹...
分类:移动开发   时间:2015-01-16 20:55:06    阅读次数:162
[LeetCode]31.Next Permutation
【题目】 Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possible, it must rearrange it as the lowes...
分类:其他好文   时间:2015-01-16 13:06:49    阅读次数:137
[Twitter] Divide Without / Or %
Question:ImplementIntegerdivisionwithoutusing/or%.http://www.glassdoor.com/Interview/Implement-integer-division-without-using-or-Questions-about-running-time-Can-you-do-it-faster-QTN_250205.htm //Abinaryquestion //returna/b. publicintdivide(inta,intb) { if(..
分类:其他好文   时间:2015-01-16 08:45:05    阅读次数:154
C# 构造器
/*content:C#构造器,终结器 * new操作符implement(实例化)对象,构造器initialize(初始化)对象 * new操作符返回实例化好的对象(虽然在构造器的生命或实现中没有显式的制定返回类型或使用返回语句) * constructor(构造器)是“运行时”用来初始化对象实例...
分类:Windows程序   时间:2015-01-15 17:40:45    阅读次数:245
LeetCode--Single Number
Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Could you implement it without using ext...
分类:其他好文   时间:2015-01-15 11:05:40    阅读次数:207
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