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搜索关键字:Arrays    ( 3585个结果
在Java8里创建Stream的几种方法
import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.regex.Pattern; import java.util.stream.Stream; /** * * @author Kangjun W...
分类:编程语言   时间:2015-03-17 00:56:42    阅读次数:176
leetcode题解||Median of Two Sorted Arrays问题
problem: 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)). thinking: (1)求中位数,就是求已...
分类:其他好文   时间:2015-03-16 21:26:18    阅读次数:162
【LeetCode】median of two sorted arrays
题目:median of two sorted arrays 知识点:二分查找,中位数定义 public class Solution { /* * 关于:leetcode 第二题 给定两个排好序的数组,找到它们的中位数,要求:时间复杂度o(log(m+n)); * 变形:找第k个数 * 方法:1.遍历,时间复杂度为o(m+n),从头开始分别遍历两数组的数,按照大小计数...
分类:其他好文   时间:2015-03-16 01:01:30    阅读次数:172
D - K Smallest Sums(多路归并+贪心)
Problem KK Smallest SumsYou're given k arrays, each array has k integers. There are kk ways to pick exactly one element in each array and calculate th...
分类:其他好文   时间:2015-03-15 13:45:14    阅读次数:228
Median of Two Sorted Arrays [hard]
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:2015-03-15 12:13:53    阅读次数:112
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:2015-03-14 21:40:42    阅读次数:134
UVA+POJ中大数实现的题目,持续更新(JAVA实现)
UVA10494:If We Were a Child Again 大数除法加取余import java.util.Arrays;import java.util.Scanner;import java.math.*;public class Main{ public static void ...
分类:编程语言   时间:2015-03-14 21:27:57    阅读次数:168
集合的子集
题目: 给定集合,求它的子集集合。 import java.util.ArrayList; import java.util.Arrays; import java.util.LinkedList; import java.util.List; public class Permutation { public static void main(String[] args) {...
分类:其他好文   时间:2015-03-14 15:28:05    阅读次数:137
Java集合类学习记录
被标记为transient的属性在对象被序列化的时候不会被保存int[] arr1 = {1, 2, 3, 4, 5}; int[] arr2 = Arrays.copyOf(arr1, new_length);//Arrays是数组的工具类//ArrayList的转化为静态数组的toArray方法...
分类:编程语言   时间:2015-03-14 12:20:45    阅读次数:276
最小乘积
/**  * 给两组数,各n个。  * 请调整每组数的排列顺序,使得两组数据相同下标元素对应相乘,然后相加的和最小。  */ import java.util.*; import java.io.*; public class 最小乘积 { public static void JianArray(Integer[] b1) { Arrays.sort(b1); in...
分类:其他好文   时间:2015-03-13 14:27:57    阅读次数:121
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