tjscanlon · HackerTrans

tjscanlon

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Iterative solution:

    def invertTree(self, root):
        queue = []
        if root is not None:
            queue.append(root)
        while queue:
            current = queue.pop()
            current.left, current.right = current.right, current.left
            if current.left is not None:
                queue.append(current.left)
            if current.right is not None:
                queue.append(current.right)
        return root

tjscanlon

11 anni fadiscuss

For everyone who enjoyed this or wants to take it a step further, I recommend writing a CHIP-8 emulator. I used the following source: http://www.multigesture.net/articles/how-to-write-an-emulato... and it was very helpful.

tjscanlon

11 anni fadiscuss

Bravo to the CEO for handling it this way. It really shows how treating others like humans and remaining compassionate no matter what the situation is beneficial to everyone.