mpi

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <mpi.h>
#define ARRAY_SIZE 1000
int main(int argc, char** argv)
{
int rank, size;
int array[ARRAY_SIZE];
int i, sum = 0, global_sum = 0;
// Initialize MPI
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
// Initialize random number generator
srand(time(NULL) + rank);
// Fill array with random numbers
for (i = 0; i < ARRAY_SIZE; i++) {
array[i] = rand() % 1000;
}
// Calculate local sum of odd numbers
for (i = 0; i < ARRAY_SIZE; i++) {
if (array[i] % 2 != 0) {
sum += array[i];
}
}
// Reduce sum across all processes
MPI_Reduce(&sum, &global_sum, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);
if (rank == 0) {
printf("The sum of all odd numbers in the array is: %d\n", global_sum);
}
// Finalize MPI
MPI_Finalize();
return 0;
}