They called people on a weekday for interviews, citing the reason that individuals were coming from Singapore. This was a plain lie, as there was not a single person from there.

Initially, they stated there would be three rounds and the process would be a full-day event. However, upon arrival, we were informed that the managers were unavailable and only two rounds would be conducted. The next round was scheduled for the following week, but I was not contacted.

I called them many times, but they did not respond.

Initially, they showed excitement, but all that changed once you returned home after the interview.

Maze problem:

Given a 2D matrix with 0s and 1s only, where 1 means you can move to that cell, you need to tell if you can reach (m, n) from (1, 1).

System design question:

Design a QR code system for a grocery shop.