Prompt: Given two linked lists, each linked list represents a number and each node is a single digit within that number. The number value of each linked list is reversed. The goal is to return the sum of the number values between the two linked lists.
[Read More]
Prompt: An ugly number is a positive integer that is divisible by a, b, or c. Given four integers n, a, b, and c, return the nth ugly number.
[Read More]