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scoreExam
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. scoreExam(["a", "a"], ["a", "a"]) → 8 scoreExam(["a", "b"], ["a", "c"]) → 3 scoreExam(["a", "b", "c"], ["a", "?", "?"]) → 4 ...Save, Compile, Run (ctrl-enter) |
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