Solve Leetcode Problems and Get Offers From Your Dream Companies

Problem number 752. Open the Lock (BFS/Graph)

In this series, I am going to solve Leetcode medium problems live with my friends, which you can see on our youtube channel, Today we will do Problem Problem 22. Generate Parentheses.

A little bit about me, I have offers from Uber India and Amazon India in the past, and I am currently working for Booking.com in Amsterdam.

Motivation to learn algorithms

Solve Leetcode Problems and Get Offers From Your Dream Companies

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Problem Statement

You have a lock in front of you with 4 circular wheels. Each wheel has 10 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 turning one…