MPI_1

#include <mpi.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char** argv) {
    MPI_Init(&argc, &argv);
    int world_size;
    MPI_Comm_size(MPI_COMM_WORLD, &world_size);
    int rank;
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

    printf("process: #%d", rank);

    //comunication
    if (rank == 0) {
        char helloMessage[] = "proc1";
        MPI_Send( helloMessage, 6, MPI_CHAR, 1, 0, MPI_COMM_WORLD);
        //printf("process 1 send: %d", number);
    }
    else if (rank == 1) {
        char message[6];
        MPI_Recv( message, 6, MPI_CHAR, 0, 0, MPI_COMM_WORLD, MPI_STATUSES_IGNORE);
        printf("process 2 recv: %s", message);
    }

    MPI_Finalize();
}