MPI sorter with buffers, missing SnowPlow technique

MPI_basic/Hello_World/HelloWorld.cpp

@@ -0,0 +1,21 @@
+#include <mpi.h>
+#include <iostream>
+
+int main(int argc, char* argv[])
+{
+    MPI_Init(NULL, NULL);   //Initialize the MPI environment
+
+    int world_size;
+    MPI_Comm_size(MPI_COMM_WORLD, &world_size);    //Get the number of processes
+
+    int world_rank;
+    MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);    //Get the number of process
+
+    char processor_name[MPI_MAX_PROCESSOR_NAME];
+    int name_len;
+    MPI_Get_processor_name(processor_name, &name_len);   //Get the name of the processor
+
+    std::cout << "Hello World from '" << processor_name << "'(lenght:" << name_len << ") (rank " << world_rank+1 << " out of " << world_size << " process)" << std::endl;
+    MPI_Finalize(); //Clean up the MPI environment
+    return 0;
+}