#include <mpi.h>
#include <stdio.h>
int main(int argc, char **argv) {
int rank,size;
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
printf("I'm %d of %d\n",rank,size);
if(rank == 0) {
printf("(%d) -> Primeiro a escrever!\n",rank);
MPI_Barrier(MPI_COMM_WORLD);
}else {
MPI_Barrier(MPI_COMM_WORLD);
printf("(%d) -> Agora posso escrever!\n",rank);
}
MPI_Finalize();
return 0;
}