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leetcode | Median of Two Sorted Arrays 寻找2个有序数组中第k大的值
问题 Median of Two Sorted ArraysThere 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)). 分析本题更经...
分类:编程语言   时间:2015-05-10 19:03:48    阅读次数:119
判断数组是否包含某值
//方法一: Integer[] arr= {1,2,3}; List list = Arrays.asList(arr); if (list.contains(1)&&list.contains(2)){ System...
分类:编程语言   时间:2015-05-09 18:48:45    阅读次数:112
Java集合总览
这篇文章总结了所有的Java集合(Collection)。主要介绍各个集合的特性和用途,以及在不同的集合类型之间转换的方式。ArraysArray是Java特有的数组。在你知道所要处理数据元素个数的情况下非常好用。java.util.Arrays包含了许多处理数据的实用方法:Arrays.asLis...
分类:编程语言   时间:2015-05-08 12:34:46    阅读次数:132
Sort Anagrams
cc150 Question 11.2 Sort array of string that anagrams next to each other.(leetcode 也有类似题目)Solution 1: 借助Arrays.sort, 需要重写comparator。 1 public sta...
分类:其他好文   时间:2015-05-08 06:59:04    阅读次数:152
合并排序法
public class Merge{ //递归分成小部分 public void merge_sort(int[] arrays,int start,int end){ if(start<end){ int m=(start+end)/2; ...
分类:编程语言   时间:2015-05-07 23:47:20    阅读次数:582
Median of Two Sorted Arrays
题目:leetcode Median of Two Sorted Arrays There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity sh...
分类:其他好文   时间:2015-05-07 14:34:14    阅读次数:87
LeetCode 4 Median of Two Sorted Arrays
Problem: There are two sorted arrays nums1 and nums2 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)). Solution: 使用...
分类:其他好文   时间:2015-05-06 13:23:40    阅读次数:124
OJ练习43——T4 Median of Two Sorted Arrays
两个有序数列A B,长度分别为m,n,求它们的中位数,要求时间复杂度是O(log(m+n)).解读:即求两数列按序合并后的中位数。【思路】1.mine:两个指针i,j分别指向两列的头,当a[i] n) return findKth(b, n, a, m, k); if (m ==...
分类:其他好文   时间:2015-05-06 12:55:00    阅读次数:99
Median of Two Sorted Arrays——解题笔记
【题目】 There are two sorted arrays nums1 and nums2 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)).     解法1:     直...
分类:其他好文   时间:2015-05-06 10:59:54    阅读次数:102
贪心算法--活动安排
1 package cn.it; 2 3 import java.util.Arrays; 4 5 public class Tx { 6 public static void main(String[] args) { 7 int start[]={1,4,2,1,2...
分类:编程语言   时间:2015-05-06 10:38:04    阅读次数:122
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