Very strong logistical support from Human Resources, particularly with answering questions and travel arrangements.

On-site interviews were quite taxing. The questions were not overly difficult; however, a combination of fatigue and ill-preparation in certain areas (e.g., recursion for me) weakened my performance.

Overall, it was a pleasant and very educational experience, despite being fruitless this time around. I am currently working elsewhere and am excited to perhaps try again someday!

Given a 2-D grid with certain cells (coordinates given) being inaccessible, and a virtual robot starting in the top-left corner that can only go down or right, write an algorithm that will guarantee that the robot reaches the bottom-right corner of the grid, or determine that a path (given the above constraints) is impossible.