eBay Software Engineer interview experience

The first two were relatively simple and I finished them quickly, within about 15 minutes. The third question was a two-dimensional array puzzle with three kinds of characters: ‘#’, ‘-’, and ‘%’.

I had to move all the boxes (‘#’) to the right first, treating ‘%’ as obstacles that boxes couldn’t pass, and then repeat the process moving them down. Even though brute force was enough, it mattered how I traversed the nested loops—I needed to scan in reverse order, left to right and bottom to top. The fourth question was a two-sum variation that didn’t end up being difficult, and I completed it in