下面是Java代码的实现: importjava.util.ArrayList;importjava.util.List;importjava.util.PriorityQueue;classArrayNode{intvalue;// 当前值intarrayIndex;// 来源数组的索引intelementIndex;// 当前数组中的元素索引ArrayNode(intvalue,intarrayIndex,intelementIndex){this.value=value;this.arrayIndex=arrayIndex;this...
publicListNodemergeKLists(ListNode[] lists){if(lists==null||lists.length==0)returnnull;returnsort(lists,0, lists.length-1); }publicstaticListNodesort(ListNode[] lists ,intlow ,inthigh){if(low>=high)returnlists[low];intmid=(high - low )/2+ low;ListNodel1=sort(lists ,low , mid);ListN...
importjava.util.*;/*33145134267*/publicclassMain{publicstaticvoidmain(String[]args){Scannersc=newScanner(System.in);intn=sc.nextInt();intm=sc.nextInt();int[][]nums=newint[n][m];for(inti=0;i<n;i++){for(intj=0;j<m;j++){nums[i][j]=sc.nextInt();}}int[]res=merge(nums,0,...
package com.rao.algorithm; import java.util.Arrays; /** * @author Srao * @className MergeK * @date 2019/12/20 23:24 * @package com.rao.algorithm * @Description 合并K个有序数组 */ public class MergeK { public static int[] merge(int[] arr1, int[] arr2){ int length1 = arr1...
importjava.util.ArrayList;importjava.util.Comparator;importjava.util.PriorityQueue;publicclass合并K个有序数组 {publicstaticListNode merge(ListNode[] arr) {intk =arr.length; ListNode dumy=newListNode(-1); ListNode p=dumy; PriorityQueue<ListNode> maxHeap =newPriorityQueue<>(k,newComparator<ListNode>(...
[](https://img2018.cnblogs.com/blog/1669484/201911/1669484-20191130191338574-578470422.png) ``` java public class ArrayLis... 杨小格子 3 11928 十分钟掌握Pandas(上)——来自官网API 2019-12-01 00:57 −十分钟掌握Pandas(上)——来自官网API 其实不止10分钟,这么多,至少一天 一、numpy和pandas ...
给定一个仅包含数字 2-9 的字符串,返回所有它能表示的字母组合。答案可以按任意顺序返回。 给出数字到字母的映射如下(与电话按键相同)。注意 1 不对应任何字母。 示例1: 输入:digits = "23" 输出:["ad","ae","af","bd","be","bf","cd","ce","cf"] ...
// Java program to merge k sorted// arrays of size n each.// A min heap nodeclassMinHeapNode{intelement;// The element to be stored// index of the array from// which the element is takeninti;// index of the next element// to be picked from arrayintj;publicMinHeapNode(intelement...
importjava.util.PriorityQueue;publicclassMergeKSortedArrays{publicstaticint[]mergeKArrays(int[][]arrays){// 创建一个优先队列,存储数组中的元素// 元素为一个数组,包含数组值和数组索引PriorityQueue<Element>minHeap=newPriorityQueue<>((a,b)->a.value-b.value);// 初始化结果数组的总长度inttotalLength=...
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