Question: a . write a sequential C program to compare two integer N x N arrays and report how many elements are different ( i .

a. write a sequential C program to compare two integer N x N arrays and report how many elements are different (i.e. if A[i][j] is different to B[i][j], for all i and j) with a print statement. N is a defined constant set to 1000. assume the arrays are initialized.
b. Modify the code using OpenMP directives to parallelize the code using P threads, where P is also a defined constant and N is a multiple of P.
c. Finally re-write the code to be an MPI program with P processes.
Keep code simple and comment and explain each and every line of code.

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