Matrix Queries

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You are given a matrix. You can perform two types of queries on it type-a and type-b. In type-a: You are given a position of element in matrix and you have update it to given value. in type-b: You need to print the sum of elements of submatrix electronic from index (x1,y1) up to (x2,y2). ###Input: - First line will contain $T$, the number of testcases. Then the testcases follow. - First

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solution.cppC++17

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