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

void main(int argc, char **argv )
 {
  int myid, numprocs;
  int i;
  int *a,*b,*c;
  MPI_Status status;

  MPI_Init(&argc, &argv);
  MPI_Comm_size(MPI_COMM_WORLD,&numprocs);
  MPI_Comm_rank(MPI_COMM_WORLD,&myid);

  a = (int *) malloc(numprocs*sizeof(int));
  b = (int *) malloc(numprocs*sizeof(int));
  c = (int *) malloc(numprocs*sizeof(int));

  for (i=0;i<numprocs;i++)
   {
    // initialize array values to i
    a[i]=i; 
    b[i]=i;
    c[i]=i;
   }
  a[myid] = b[myid] + c[myid];
  printf("a[%d] = %d\n",myid,a[myid]);
  MPI_Finalize();
 }