package StackMin.ReverseList_offer16; public class ReverseKgroup_extend_offer16 { /** * 分组反转单链表,最后不足K个节点的部分也反转 * * @param head * @param k * @return */ public static ListNode reverseKgroup(ListNode head, int k) { if (head == null) return head; ListNod…

Reverse反转算法 #include <iostream> using namespace std; //交换的函数 void replaced(int &a,int &b){ int t = a; a = b; b = t; } //反转 void reversed(int a[],int length){ ; ; while (left < right) { replaced(a[left], a[right]); left++; right--; } } voi…

Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is. You may not alter the values in the nodes, only nod…

题目: Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is. You may not alter the values in the nodes, only…

题意: Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is. You may not alter the values in the nodes, only…

题目: 给定一个单链表,一次反转k个节点,最终返回翻转后的链表的头节点:如果链表不足k个,则不变 举例: Given this linked list: 1->2->3->4->5 For k = 2, you should return: 2->1->4->3->5 For k = 3, you should return: 3->2->1->4->5 解题思路: 1.  首先要确定链表的头节点newHead;即如果链表的节点个数大…

Example: input: 1->2->3->4->5->6->7->8->NULL and k = 3 output:3->2->1->6->5->4->7->8->NULL Node* inverstList(Node *head, int num) { Node *prev, *curr, *next; ; || num == ) return head; prev = head; curr = pr…

题目描述 给出一个链表,每 k 个节点一组进行翻转,并返回翻转后的链表. k 是一个正整数,它的值小于或等于链表的长度.如果节点总数不是 k 的整数倍,那么将最后剩余节点保持原有顺序. 示例 : 给定这个链表:1->2->3->4->5 当 k = 2 时,应当返回: 2->1->4->3->5 当 k = 3 时,应当返回: 3->2->1->4->5 说明 : 你的算法只能使用常数的额外空间. 你不能只是单纯的改变节点内部的值,而…

题目: Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is. You may not alter the values in the nodes, only…

前言 以专题的形式更新刷题贴,欢迎跟我一起学习刷题,相信我,你的坚持,绝对会有意想不到的收获.每道题会提供简单的解答,如果你有更优雅的做法,欢迎提供指点,谢谢. 注:如果代码排版出现了问题麻烦通知我下,谢谢. [题目描述] 给定一个单链表的头节点head, 实现一个调整单链表的函数,使得每K个节点之间逆序,如果最后不够K个节点一组,则不调整最后几个节点. 例如: 链表:1->2->3->4->5->6->7->8->null, K = 3. 调整后:3-&g…