2 rounds: unconventional practical/thought-process round then a standard difficult round

Application

I interviewed at Zomato (Gurgaon, Haryana)

Interview

The first round was very unconventional and difficult, and second round was standard and also difficult. I really liked the first round because iot was very practical and thought process based.

Interview questions [1]

Question 1

In the first round I was asked to implement the logic behind the untangle puzzle game.