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The "key" array is an array containing the correct answers to an exam, like {"a", "a", "b", "b"}. the "answers" array contains a student's answers, with "?" representing a question left blank. The two arrays are not empty and are the same length. Return the score for this array of answers, giving +4 for each correct answer, -1 for each incorrect answer, and +0 for each blank answer. scoreUp(["a", "a", "b", "b"], ["a", "c", "b", "c"]) → 6 scoreUp(["a", "a", "b", "b"], ["a", "a", "b", "c"]) → 11 scoreUp(["a", "a", "b", "b"], ["a", "a", "b", "b"]) → 16 ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 239.0
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