• + 1 comment

    Yeah, same here. I only passed some tests. I wonder what we're doing wrong...

    • + 1 comment

      you're probably missing the bit where if k=2, then you have to swap children at depth =2, depth =4, depth=6 and so on

      • + 0 comments

        It was after i passed 2 out of 3 test that i re-read the problem definition and understood this.