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Like I keep hinting at, it doesn't matter whether we approve. Does it do what you want? Do you understand how it works? Then don't worry about it.

Actually, I don't see how this can possibly do...

So why not just return true?



I'm honestly not really sure how that's supposed to solve your problem. Does it?




That's not really how this works. Does your solution work? If not, step...

Some words to the wise:

Use indentation.
Use brackets on every if and for, even if it's just one statement.
Why: return existsonce = true;

What do you think the "Big O" would be? Have you...