#include<stdio.h>
#include<mpi.h>
main(int argc, char *argv[]) {
int size,rank;
MPI_Init(NULL,NULL);
MPI_Comm_size(MPI_COMM_WORLD,&size);
MPI_Comm_rank(MPI_COMM_WORLD,&rank)
printf("Hello, This is process %d of %d process\n",rank.
siz); MPI_Finalize();
}
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