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We'll say that a 1 immediately followed by a 3 in an array is an "unlucky" 1. Return true if the given array contains an unlucky 1 in the first 2 or last 2 positions in the array. unlucky1([1, 3, 4, 5]) → true unlucky1([2, 1, 3, 4, 5]) → true unlucky1([1, 1, 1]) → false ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 175.0
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