I could solve it AND write it in a readable fashion. Your code is unreadable, you'd fail my test. What the actual fuck ((if b[r]?[c] then c else -1) for c in

I could solve it AND write it in a readable fashion. Your code is unreadable, you'd fail my test. What the actual fuck ((if b[r]?[c] then c else -1) for c in [0..n-1]).filter (c) -> c >= 0 I am aware of what the line is doing, I just have no idea what b & c are. Best guess; Board & Column.