   h_tot = (unsigned int *)malloc(SIZE*sizeof(unsigned int));
   
   // Choose to run on secondary GPU
-  cudaSetDevice(1);
+  //cudaSetDevice(1);
 
   // Allocate the space, GPU
   cudaMalloc(&d_coc, SIZE*sizeof(unsigned long long int));


  // Sailors and monkeys
  unsigned int monkeys = 1;
  unsigned int max_sailors = 5;

  // CPU memory pointers
  unsigned long long int *h_coc, da_solu=1;

    return 0;
  }

  first = second = UINT_MAX;
  for (i = 0; i < arr_size ; i ++)
  {
