* ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * };*/classSolution {public: ListNode*insertionSortList(ListNode *head) {if(head == nullptr || head->next == nullptr)returnhead; ListNode*fake =newLis
代码如下: 1#Definition for singly-linked list.2#class ListNode(object):3#def __init__(self, x):4#self.val = x5#self.next = None67classSolution(object):8definsertionSortList(self, head):9"""10:type head: ListNode11:rtype: ListNode12"""13fh =ListNode(0)14fh.next =head15cur =hea...
Working of Insertion Sort Suppose we need to sort the following array. Initial array The first element in the array is assumed to be sorted. Take the second element and store it separately inkey. Comparekeywith the first element. If the first element is greater thankey, thenkeyis placed in...
LeetCode Insertion Sort List 链表插入排序 题意:给一个链表,实现插入排序。 思路:O(1)空间,O(n*n)复杂度。将排好的用另一个链表头串起来,那个链表头最后删掉,再返回链表。 1 /** 2 * Definition for singly-linked list. 3 * struct ListNode { 4 * int val; 5 * ListNode *next; 6 * ListNode...
147. Insertion Sort ListMedium Topics Companies Given the head of a singly linked list, sort the list using insertion sort, and return the sorted list's head. The steps of the insertion sort algorithm: Insertion sort iterates, consuming one input element each repetition and growing a sorted ...
*/classSolution{public:ListNode*insertionSortList(ListNode*head){if(head==NULL||head->next==NULL)returnhead;ListNode*tmp=NULL;ListNode*pre_tmp=NULL;ListNode*dummy=newListNode(0);ListNode*pos=head->next;//这里用pos指向第一待插入排序数据ListNode*pre_pos=head;dummy->next=head;while(pos!=NULL)...
Sort a linked list using insertion sort. 对链表插入排序,没啥好说的。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution...
一、题目描述对链表进行插入排序。 插入排序的动画演示如上。从第一个元素开始,该链表可以被认为已经部分排序(用黑色表示)。每次迭代时,从输入数据中移除一个元素(用红色表示),并原地将其插入到已排好序的…
insertionSort.java initial Java files upload Dec 14, 2015 mergeSort.java initial Java files upload Dec 14, 2015 primes.txt initial Java files upload Dec 14, 2015 selectionSort.java initial Java files upload Dec 14, 2015 Java These files are mainly intended to accompany my series of YouTube ...
Insertion Sort List Medium java 148 Sort List Medium java 小结 链表的问题是面试当中常常会问到的,比如链表的倒置,删除链表中某个结点,合并两个排序链表,合并 k 个排序链表,排序两个无序链表等。 这些题目一般有一些相应的技巧可以解决。 第一,引入哨兵结点。如我们开头说的 dummy node 结点。在任何时候,不管...