Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: Input:1->2->4, 1->3->4Output:1->1->2->3->4->4 因为没有空间要求,所以想到ListNode*head = new ListNode(INT_MIN);重新定义一...
LeetCode 21. Merge Two Sorted Lists Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 该题是要求合并两个已排序的列表,根据stl库里list的sort,这里的排序是指从小到大排序 那么分三种情况来处理: 对于l...
leetcode 21. Merge Two Sorted Lists Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Seen this question in a real interview before? Yes 简单的归并排序,不说了,直接上代码: AI检测代码解析 /** ...
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 本题难度easy,关键在于别想复杂了。题目是有assumption的:sort都是从小到大。下面提供两个解法: 一、常规 AI检测代码解析 public class Solution { public ...
Merge sort 的核心部分。(or Merge two array) /** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode(int x) { val = x; } * } */publicclassSolution{public ListNodemergeTwoLists(ListNode l1,ListNode l2){ListNode result=newListNode(0)...
(H) Merge k Sorted Lists(E) Merge Sorted Array(M) Sort List(M) Shortest Word Distance II ** 解题思路** recursive 递归解法。 类似merge two sorted array /** * Definition for singly-linked list. * public class ListNode { * int val; ...
(https://github.com/kamyu104/LeetCode#math) * [Two Pointers](https://github.com/kamyu104/LeetCode#two-pointers) * [Sort](https://github.com/kamyu104/LeetCode#sort) * [Recursion](https://github.com/kamyu104/LeetCode#recursion) * [Binary Search](https://github.com/kamyu104/LeetCode#...
2. Two PointersProblem 1: 3Sum Problem 2: Container With Most Water3. Fast and Slow PointersProblem 1: Linked List Cycle Problem 2: Middle of the Linked List4. Merge IntervalsProblem 1: Merge Intervals Problem 2: Insert Interval5. Cyclic SortProblem 1: Find All Numbers Disappeared in an ...
76 + II: Don’t use heap sort for linked list 77 + 78 + III: Don’t use unstable algorithm on array with the same key 79 + 80 + IV: Don’t use insertion sort on large inversion array Diff for: 数据结构基础/作业/HW3 Note.md +120 Original file line numberDiff line...
今天的笔记包含多路归并(K-way merge)与拓扑排序(Topological Sort)类型下的X个题目。其中“多路归并”在leetcode上的编号和题名分别是: 21 - 合并两个有序列表 23 - 合并k个排序列表 373 - 查找和最小的k对数字 378 - 有序矩阵中第k小的元素