add bin to install

CMakeLists.txt

@@ -150,3 +150,5 @@ install(FILES
         Devel
         )
 
+install(TARGETS glauber RUNTIME DESTINATION bin)
+install(TARGETS main RUNTIME DESTINATION bin)
\ No newline at end of file

main.cpp

@@ -19,8 +19,8 @@ int main(int argc, char **argv) {
   
   auto start = std::chrono::system_clock::now();
   ROOT::EnableImplicitMT(2);
-  
-  if (argc < 3)
+
+  if(argc <= 3)
   {
     std::cout << "Not enough arguments! Please use:" << std::endl;
     std::cout << "   ./main filename histoname is2d" << std::endl;