pass argc / argv to MPI_Init

main.cpp

@@ -2,11 +2,8 @@
 #include <stdio.h>
 
 int main(int argc, char **argv) {
-  (void) argc;
-  (void) argv;
-
   // Initialize the MPI environment
-  MPI_Init(NULL, NULL);
+  MPI_Init(&argc, &argv);
 
   // Get the number of processes
   int world_size;