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LeetCode:Pow(x, n)
题目描述: Implement pow(x, n). 代码: double solution::pow(double x,int n) { if(n == 0) return 1; if(n == 1) return x; if(n < 0) { n = n * -1; x = 1 / x; } return n%2==0?pow(x*x,n/2):x*p...
分类:其他好文   时间:2015-01-07 13:10:07    阅读次数:119
pow(x,n)
1 : 2 Implement pow(x, n). 3 4 class Solution { 5 public: 6 double pow(double x, int n) { 7 8 //显然我们应该用类似于分治的算法pow(double x, int n) = p...
分类:其他好文   时间:2015-01-06 00:47:13    阅读次数:291
Single Number II——系列题目的翻译
题目: Given an array of integers, every element appears three times except for one. Find that single one. Your algorithm should have a linear runtime complexity. Could you implement it without using e...
分类:其他好文   时间:2015-01-05 16:41:37    阅读次数:178
Leetcode之LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of the key if...
分类:系统相关   时间:2015-01-05 14:54:59    阅读次数:219
[C++]LeetCode: 66 Single Number
题目: 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 us...
分类:编程语言   时间:2015-01-04 23:10:13    阅读次数:286
LeetCode-Implement strStr()-KMP
Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Update (2014-11-02):The s...
分类:其他好文   时间:2015-01-04 07:37:15    阅读次数:209
分辨c跟c++标砖原型
沈阳463整形医院专家尽管标准的C通常在C和C++中的功能相同,但是一些函数在每个语言中有不同的符号差。标准的函数他们的符号差不同的是:strchr(), strpbrk(), strrchr(), strstr(), 和 memchr(),字符副本也和它们一样:wcschr(), wcspbr.....
分类:编程语言   时间:2015-01-03 17:06:13    阅读次数:127
[LeetCode]173.Binary Search Tree Iterator
【题目】 Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next() will return the next smallest number in the BST. No...
分类:其他好文   时间:2015-01-03 12:00:06    阅读次数:161
[LeetCode]28 Implement strStr()
https://oj.leetcode.com/problems/implement-strstr/http://fisherlei.blogspot.com/2012/12/leetcode-implement-strstr.htmlpublicclassSolution{ publicintstrStr(Stringhaystack,Stringneedle){ //遍历haystack,对每一个字符,匹配needle if(haystack==null||needle==nu..
分类:其他好文   时间:2015-01-02 16:12:25    阅读次数:149
leetcode 173: Binary Search Tree Iterator
Binary Search Tree Iterator Total Accepted: 1141 Total Submissions: 3857 Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. ...
分类:其他好文   时间:2015-01-02 13:28:25    阅读次数:165
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