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On Sun, Apr 23, 2017 at 9:06 AM, Martin <> wrote:
> Concerning pseudocode, how it will handle "(()()" string? Looks like
> it will return "()()" instead of first "()".

Yes. If that's wrong, that's my misunderstanding of the intended
behavior rather than a fundamental issue with the strategy.

> I think this may be fixed by expanding left each turn when <depth> was
> zero at start of turn. Also we should save <lastGoodRight> and
> <lastGoodLeft> each time when <depth> was zero at start of turn.

Yep, that's the way I'd do it too.

/s/ Adam