2276. Count Integers in Intervals

LeetCodeDesignSegment TreeOrdered SetOpen on judge ↗

Given an empty set of intervals, implement a data structure that can: - Add an interval to the set of intervals. - Count the number of integers that are present in at least one interval. Implement the CountIntervals class: - CountIntervals() Initializes the object with an empty set of intervals. - void add(int left, int right) Adds the interval [left, right] to the set of intervals. - int co

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solution.cppC++17

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