Revolut Interview Question

Coding round for the Matrix grid problem for 60 min coding round First Part of the problem - Randomly fills a matrix (a * b) with 5 'x' alphabet, reset would be 'o' alphabet Second part of the problem (minesweeper game on Windows OS) - Given a matrix fill with 'x', find number of minds adjacent to it You need to solve both problems in 40 mins to qualify (First 10 mins Introduction, last 10 minutes is follow-up question) Remember to ask follow-up questions else it mark as candidate isn't proactive in asking questions