#include <stdio.h>
#include <mpi.h>
 
int main(int argc, char** argv) {
    int size, rank;
    int data;
    int next_rank, previous_rank;
    MPI_Status status;
 
    // Initialize MPI
    MPI_Init(&argc, &argv);
    MPI_Comm_size(MPI_COMM_WORLD, &size);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
 
    // Define the data to be passed around the ring
    data = rank;
 
    // Pass the data in a ring
    next_rank = (rank + 1) % size;
    previous_rank = (rank - 1 + size) % size;
 
    // Send and receive the data in the ring
    MPI_Send(&data, 1, MPI_INT, next_rank, 0, MPI_COMM_WORLD);
    MPI_Recv(&data, 1, MPI_INT, previous_rank, 0, MPI_COMM_WORLD, &status);
 
    // Print the received data
    printf("Process %d received data: %d\n", rank, data);
 
    // Finalize MPI
    MPI_Finalize();
 
    return 0;
}
 
# your code goes here

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