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  1. #include <mpi.h>
  2. #include <stdio.h>
  3.  
  4. int main(int argc, char** argv) {
  5.     MPI_Init(&argc, &argv);
  6.  
  7.     int world_size;
  8.     MPI_Comm_size(MPI_COMM_WORLD, &world_size);
  9.  
  10.     int world_rank;
  11.     MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
  12.  
  13.     printf("Hello from process %d of %d\n", world_rank, world_size);
  14.  
  15.     MPI_Finalize();
  16.     return 0;
  17. }
Success #stdin #stdout #stderr 0.25s 40568KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Error: unexpected symbol in "int main"
Execution halted
https://ideone.com/dBYQnr
language:
R (R 3.5.2)
created:
3 days ago
visibility:
public

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