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leetcode----------Remove Duplicates from Sorted Array
题目Remove Duplicates from Sorted Array通过率31.9%难度EasyGiven a sorted array, remove the duplicates in place such that each element appear onlyonceand retu...
分类:其他好文   时间:2014-12-22 17:32:35    阅读次数:165
【leetcode 哈希表】Majority Element
leetcode新題,Majority Element ,难度easy。题意:给定一个长度为n的数组,找出majority element,所谓majority element就是出现次数大于n/2的那个数。 很简单的题目,解法很多: Runtime: O(n2) — Brute force solution: Check each element if it is the majority element. Runtime: O(n), Space: O(n) — Hash table: Maintain...
分类:其他好文   时间:2014-12-22 16:15:26    阅读次数:141
for_each()
for_each函数原形 1 template inline 2 3 _Fn1 for_each(_InIt _First, _InIt _Last, _Fn1 _Func) 4 5 { // perform function for each element 6 7...
分类:其他好文   时间:2014-12-22 15:52:08    阅读次数:189
[leetcode]Majority Element
超过了一半是这个数,所以排个顺,第n/2个也就是中间那个就是我们要的。。。但是我们也没必要全部排序,只要找到第n/2个就好了。。。class Solution {public: int find_kth(vector& num, int left, int right, int k) { ...
分类:其他好文   时间:2014-12-22 14:22:04    阅读次数:190
【LeetCode】Majority Element
Majority ElementGiven an array of sizen, find the majority element. The majority element is the element that appears more than? n/2 ?times.You may ass...
分类:其他好文   时间:2014-12-22 12:42:30    阅读次数:152
Leetcode Majority Element
感觉Leetcode出书了以后judge速度快了不少,但是新出的题目质量不大好 Given an array of size n, find the majority element. The majority element is the element that appears more than ? n/2 ? times. You may assume that the...
分类:其他好文   时间:2014-12-22 11:09:40    阅读次数:121
LeetCode--Remove Element
这个题目没有动手实践,只是想了个思路,结果一看讨论区的代码瞬间感觉,我想的太复杂了。ps:有点想不明白,既然是要移除元素,为何不留下一个不含删除元素的纯净数组。 题目: Given an array and a value, remove all instances of that value in place and return the new length. The order of...
分类:其他好文   时间:2014-12-21 23:41:49    阅读次数:390
【leetcode】Regular Expression Matching (hard) ★
Implement regular expression matching with support for'.'and'*'.'.' Matches any single character.'*' Matches zero or more of the preceding element.The...
分类:其他好文   时间:2014-12-21 23:32:16    阅读次数:335
LeetCode--Remove Duplicates from Sorted Array
题目: 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 must do this in place w...
分类:其他好文   时间:2014-12-21 22:08:30    阅读次数:178
Document Object Model
1. DOM => Document Object Model(文档对象模型); DOM是一个树形结构;由Node\Element(节点\元素)构成;2.Node\Element; element.id\element.className\element.value\.... element....
分类:其他好文   时间:2014-12-21 21:57:36    阅读次数:147
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