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Leetcode#108 Convert Sorted Array to Binary Search Tree
原题地址对于已排序数组,二分法递归构造BST代码: 1 TreeNode *buildBST(vector &num, int i, int j) { 2 if (i > j) 3 return NULL; 4 5 int m = (i + j) /2; 6 T...
分类:其他好文   时间:2015-01-30 10:26:25    阅读次数:158
Leetcode#109 Convert Sorted List to Binary Search Tree
原题地址跟Convert Sorted Array to Binary Search Tree(参见这篇文章)类似,只不过用list就不能随机访问了。代码: 1 TreeNode *buildBST(ListNode *head, int len) { 2 if (len next; 9 ...
分类:其他好文   时间:2015-01-30 10:24:52    阅读次数:192
[Leetcode] Search for a Range
Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord...
分类:其他好文   时间:2015-01-30 06:41:04    阅读次数:162
[Leetcode][Python]26: Remove Duplicates from Sorted Array
# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com'26: Remove Duplicates from Sorted Arrayhttps://oj.leetcode.com/problems/remove-duplicates-...
分类:编程语言   时间:2015-01-30 06:35:01    阅读次数:183
leetcode 【 Find Minimum in Rotated Sorted Array 】python 实现
题目:Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.Yo...
分类:编程语言   时间:2015-01-30 01:18:23    阅读次数:310
leetcode 【 Search for a Range 】python 实现
题目:Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ...
分类:编程语言   时间:2015-01-30 01:16:29    阅读次数:200
leetcode 【Search a 2D Matrix 】python 实现
题目:Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row are sorted fro...
分类:编程语言   时间:2015-01-30 00:00:31    阅读次数:368
Merge Two Sorted Lists
题目: Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 我的解法: (1)算法思想: 先根据两个链表l1,l2头结点值的大小设置要返回链表的头结点h...
分类:其他好文   时间:2015-01-29 17:44:28    阅读次数:116
Find Minimum in Rotated Sorted Array
题目: Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. You may assume no duplicate e...
分类:其他好文   时间:2015-01-29 17:41:59    阅读次数:167
Median of Two Sorted Arrays
There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)). 用二分的方法求合并数组的中值。用找第k大的值来求,不断去掉较小的一半,...
分类:其他好文   时间:2015-01-29 12:43:29    阅读次数:175
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