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The first time you solve something it could take days, and may require help
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Getting help the first time is OK.
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But: Once you get a solution, you are not done.
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First, try to make your code as simple as possible
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It should be self-explantory to an average programmer
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Use meaningful names for everything but induction (loop control) variables
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Include no unnecessary conditionals or extra lines of code
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Then, create a copy of the homework and erase your solutions
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Upon waking the next day, attempt to redo the problems
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Do not look at your previous solution
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Do not ask for help, either from friends or from the internet
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Repeat this process until you can write each single function correctly in five minutes or less
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Only then have you internalized the solution
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It is not enough to be able to get the answer
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You must be able to do it quickly
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Invent a variant of the problem
