Chef and Favourite Sequence

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Chef has an integer sequence a1, a2, ..., aN of size N, where all the elements of the sequence are 0 initially. Chef also has M segments, here the ith one is [Li, Ri]. He wants to create new sequences using the following operation: - In a single operation, he picks a segment from the M segments. Let the chosen segment be [s, t]. - Then flip the all elements from sth to tth elements, namely, ai

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solution.cppC++17

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