DIY: Open Lock
Understand how to break down the open lock problem by calculating the minimum number of turns needed to unlock a four-digit lock. Explore strategies to avoid dead ends and implement an efficient algorithm in Go to solve a real-world inspired challenge.
We'll cover the following...
We'll cover the following...
Problem statement
You have an old lock in front of you with four circular wheels. Each wheel has ten slots: '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'. The wheels can rotate freely and wrap around. For example, we can turn '9' to be '0' or '0' to be '9'. Each move consists of ...