Calculate The Sum

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Problem Statement: Given an array, arr[] of size N followed by Q queries. A query will include two values L and R. For each query, print the sum of the elements from L till R for the given array, i.e Sum of arr[i] for each i such that LInput First Line : T, denoting the number of test cases Second line : N and Q Third Line : N integers, ith integer denoting the value of arr[i] Q lines follo

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solution.cppC++17

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