Month: May 2022
[Programming Problem] Flatten Binary Tree to Linked List
Given the root of a binary tree, flatten the tree into a “linked list”: – The “linked list” should use the same TreeNode class...
[Programming Problem] Largest Number
Given a list of non-negative integers nums, arrange them such that they form the largest number and return it. Since the result may...
[Programming Problem] Sum Root to Leaf Numbers
You are given the root of a binary tree containing digits from 0 to 9 only. Each root-to-leaf path in the tree represents...
[Programming Problem] Reverse Linked List II
Given the head of a singly linked list and two integers left and right where left <= right, reverse the nodes of the list...
[Programming Problem] Jump Game II
Given an array of non-negative integers nums, you are initially positioned at the first index of the array. Each element in the array represents...