Add solution for day 4 #1
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FlowFX
reviewed
Dec 4, 2019
FlowFX
reviewed
Dec 4, 2019
FlowFX
reviewed
Dec 4, 2019
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| potential_passwords = [] | ||
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| (353096..843212).each { |current_number| |
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Instead of each and then appending to the array, use map, which returns an array. The block should return the input number, if it's a potential password, and nil otherwise. Then put a .compact on the resulting array.
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