3709. Design Exam Scores Tracker

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Alice frequently takes exams and wants to track her scores and calculate the total scores over specific time periods. Implement the ExamTracker class: - ExamTracker(): Initializes the ExamTracker object. - void record(int time, int score): Alice takes a new exam at time time and achieves the score score. - long long totalScore(int startTime, int endTime): Returns an integer that represents the

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solution.cppC++17

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