[leetcode] 147. Insertion Sort List (Medium)

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[leetcode] 147. Insertion Sort List (Medium)

原题别人的思路非常简洁 function ListNode(val) { this.val = val; this.next = null; } /** * @param {ListNode} head * @return {ListNode} */ var insertionSortList = function(head) { if (head === null) { return head; } var helper = new ListNode(0); var cur = head.…

[LeetCode] 147. Insertion Sort List 链表插入排序

Sort a linked list using insertion sort. A graphical example of insertion sort. The partial sorted list (black) initially contains only the first element in the list.With each iteration one element (red) is removed from the input data and inserted in…

Java for LeetCode 147 Insertion Sort List

Sort a linked list using insertion sort. 解题思路: 插入排序,JAVA实现如下: public ListNode insertionSortList(ListNode head) { if(head==null||head.next==null) return head; ListNode root=new ListNode(Integer.MIN_VALUE); root.next=head; head=head.next; root.next.nex…

leetcode 147. Insertion Sort List ----- java

Sort a linked list using insertion sort. 插入排序. /** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode(int x) { val = x; } * } */ public class Solution { public ListNode insertionSortList(ListNode hea…

[LeetCode] 147. Insertion Sort List 解题思路

Sort a linked list using insertion sort. 问题:实现单向链表的插入排序. 这是比较常规的一个算法题目. 从左往右扫列表,每次将指针的下一个元素插入前面已排好序的对应位置中. 需要注意的一定是,列表只能定位下一个元素,不能定位前一个元素,所有,每次插入位置的适合,都是对左右指针的下一个元素进行操作. void insertSort(ListNode* p1, ListNode* p2){ ListNode* next2 = p2->next; p2->ne…

LeetCode 147. Insertion Sort List 链表插入排序 C++/Java

Sort a linked list using insertion sort. A graphical example of insertion sort. The partial sorted list (black) initially contains only the first element in the list.With each iteration one element (red) is removed from the input data and inserted in…