Lesson 5 of 5 • 3 upvotes • 14:37mins

In this lesson we will solve another question with 7 people living on 7 floors but considering 2 parameters this time. This question will require some more time and a better logic so go through the previous questions if you haven't already. The question in this lesson has been taken from one of the source on the internet (AC).
5 lessons • 1h 8m