XOR PAIRS

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This story is still under construction, You are given an array A of N integers and asked to perform Q Queries on it. These $Q$ Queries are of two types : Type $1$ : 1 L R VAL : change value of array elements between range L to R to VAL. Type $2$ : 2 L R : You have to answer how many pairs of type (X,Y) are there in range L to R, Here (X,Y) implies that X and Y are su

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solution.cppC++17

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