1 KiB
1 KiB
Leetcode Reverse-Linked-List
2022-06-15 22:07
Algorithms:
#algorithm #recursion #iteration
Data structures:
#DS #linked_list
Difficulty:
#leetcode #coding_problem #difficulty-easy
Related topics:
tag:#linked_list
Links:
Problem
Given the head of a singly linked list, reverse the list, and return the reversed list.
Examples
Example 1:
**Input:** head = [1,2,3,4,5]
**Output:** [5,4,3,2,1]
Example 2:
**Input:** head = [1,2]
**Output:** [2,1]
Example 3:
**Input:** head = []
**Output:** []
Constraints
- The number of nodes in the list is the range
[0, 5000]. -5000 <= Node.val <= 5000
Thoughts
[!summary] This is a #template_remove_me