DIY: Open Lock
Understand how to solve the open lock problem by finding the minimum number of turns needed to reach a target combination while avoiding deadends. This lesson helps you apply problem-solving strategies and implement an algorithm in Java, enhancing skills useful for coding interviews.
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 ...