Given a linked list, reverse the nodes of a linked listkat a time and return its modified list. kis a positive integer and is less than or equal to the length of the linked list. If the number of nodes is not a multiple ofkthen left-out nodes in the end should remain as it is....
leetcode刷题:24题 链表翻转 Reverse Nodes In k-Groups: 最近在复盘数据结构,做到链表练习这里,出现一道leetcode的经典题目:按规定数字对链表进行翻转 然而教学视频上那个方法看的我是一头雾水,最终还是采用懒人方法,用我 的第一眼直觉去做。 题目: 按规定数字为链表进行分组,组内完成倒叙操作 解题思路: 充分利...
class ReverseKGroupsLinkedList { public ListNode reverseKGroup(ListNode head, int k) { if (head == null || k == 1) { return head; } ListNode dummy = new ListNode(0); dummy.next = head; ListNode start = dummy; ListNode end = head; int count = 0; whi...
Leetcode 25. Reverse Nodes in k-Group 题目描述:就是在前一题翻转2个链表节点的题目上变成翻转k个位置。 题目链接:Leetcode25. Reverse Nodes ink-Group 代码如下 参考链接 leetcode刷题:24题 链表翻转 Reverse Nodes In k-Groups 数学中对余数的处理思想) 总结: 方法简单易理解,花了10分钟就写出来了 但...
LeetCode378https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/ LeetCode410https://leetcode.com/problems/split-array-largest-sum/ LeetCode668https://leetcode.com/problems/kth-smallest-number-in-multiplication-table/ LeetCode719https://leetcode.com/problems/find-k-th-smallest-...
0025-reverse-nodes-in-k-group 0026-remove-duplicates-from-sorted-array 0028-find-the-index-of-the-first-occurrence-in-a-string 0031-next-permutation 0033-search-in-rotated-sorted-array 0034-find-first-and-last-position-of-element-in-sorted-array 0035-search-insert-position 0036-valid-sudoku 00...
25 Reverse Nodes in k-Group Hard JavaScript 26 Remove Duplicates from Sorted Array Easy JavaScript 27 Remove Element Easy JavaScript 28 Find the Index of the First Occurrence in a String Easy JavaScript TypeScript 29 Divide Two Integers Medium JavaScript 31 Next Permutation Medium Rust 32 Longest ...
提到旋转,可以想到用collections模块中deque的rotate接口(参考Python内置容器),但那个是inplace操作。直接对原字符串拼接,再从旋转后目标位置截取相应长度。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 classSolution:defreverseLeftWords(self,s:str,n:int)->str:return(s+s)[n:n+len(s)] ...
Solution:see here解决办法：看这里Reverse Nodes in k-Group k 组中的反向节点Description:Reverse the ...
Solution:see here解决办法：看这里Reverse Nodes in k-Group k 组中的反向节点Description:Reverse the ...