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LeetCode 第二题,Median of Two Sorted Arrays
题目再现 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)). 题意解析...
分类:其他好文   时间:2014-08-02 18:24:13    阅读次数:335
Merge Two Sorted Lists
问题:有序合并两个有序链表分析:归并排序的合并部分class Solution {public: ListNode *mergeTwoLists(ListNode *l1, ListNode *l2) { ListNode *helper=new ListNode(0); ...
分类:其他好文   时间:2014-08-02 18:17:03    阅读次数:170
Remove Duplicates from Sorted List
问题:将有序链表中的重复元素删除分析:由于有序,所以p结点是否重复只需要和它的前一节点比较是否相等就可以了,我们可以定义一个helper新头结点链表 将p结点与新链表的尾结点比较,若不相等则加入新链表中。class Solution{public: ListNode *deleteDup...
分类:其他好文   时间:2014-08-02 17:47:33    阅读次数:210
Search in Rotated Sorted Array I
要搜索的对象是一个rotated sorted array,所以从直觉上时间复杂度应该不会超过O(logn)。起初我想尝试修改binary search来解决这个问题,但仔细思考后发现在不断search的过程中,search的boundary是比较难确定的。解决这个题目的另一个思路就是先把pivot...
分类:其他好文   时间:2014-08-02 15:21:23    阅读次数:359
[leetcode笔记] Remove Duplicates from Sorted List II
问题描述:Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->...
分类:其他好文   时间:2014-08-02 01:33:12    阅读次数:249
Merge Sorted Array
问题:将B按顺序合并到A上分析:插入排序,注意A数组为空class Solution{public: void merge(int A[], int m, int B[], int n) { int i,j; if(m==0) { ...
分类:其他好文   时间:2014-08-01 22:54:32    阅读次数:184
Convert Sorted List to Binary Search Tree leetcode java
题目:Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.题解:之前做过一道是从sorted array转换到BinarySearc....
分类:编程语言   时间:2014-08-01 04:54:21    阅读次数:310
Leetcode--Remove Duplicates from Sorted Array
Problem Description: Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra space for another array, you ...
分类:其他好文   时间:2014-08-01 00:08:50    阅读次数:274
[leetcode]Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search TreeGiven an array where elements are sorted in ascending order, convert it to a height balanced BST.算法:根据有序数组,生...
分类:其他好文   时间:2014-07-31 23:20:00    阅读次数:270
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 ...
分类:其他好文   时间:2014-07-31 12:14:56    阅读次数:222
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