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Given an array of ints, return true if it contains a 2, 7, 1 pattern: a value, followed by the value plus 5, followed by the value minus 1. Additionally the 271 counts even if the "1" differs by 2 or less from the correct value. has271([1, 2, 7, 1]) → true has271([1, 2, 8, 1]) → false has271([2, 7, 1]) → true ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 245.0
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