Leetcode-21 Merge Two Sorted Linked Lists
merge two sorted linked lists and return it as a sorted list. The list should be made by splicing together the nodes of the first two lists.
foolish
Reverse a Linked List Recursively
Given the head of a singly linked list, reverse the list, and return the reversed list.
Trapping Rain Water 💦 (Leetcode 42)
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining.
Search in Rotated Sorted Array
Leetcode 33: Search in Rotated Sorted Array
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