Step 1: take the whole range; if it does not contain a zero, we are done. If it does, the result would be a list of the same non-zero number. Step 2. Do it again, and everything's zero.
So, what's the problem?
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Step 1: take the whole range; if it does not contain a zero, we are done. If it does, the result would be a list of the same non-zero number. Step 2. Do it again, and everything's zero.
So, what's the problem?