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

int main(int argc, char** argv) {
    // Initialize the MPI environment
    MPI_Init(&argc, &argv);

    // Get the rank of the process
    int world_rank;
    MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);

    // Get the total number of processes
    int world_size;
    MPI_Comm_size(MPI_COMM_WORLD, &world_size);

    // The broadcast value
    int broadcast_value;

    if (world_rank == 0) {
        // If we are the master process (rank 0), set the broadcast value
        broadcast_value = 100;
        printf("Process 0 broadcasting value %d\n", broadcast_value);
    }

    // Use MPI_Bcast to broadcast the value from process 0 to all processes
    MPI_Bcast(&broadcast_value, 1, MPI_INT, 0, MPI_COMM_WORLD);

    // All processes print the received value
    printf("Process %d received value %d\n", world_rank, broadcast_value);

    // Finalize the MPI environment.
    MPI_Finalize();
}