How can i know the type of an variable in c++

Answer 1

i dont know

Answer 2

decltype(variable) gives you the type
for the name you must do some meta programming

Answer 3

what is meta programming actually

Answer 4

wikipedia is your friend!

Answer 5

#include <typeinfo>
...
cout << typeid(variable).name() << endl;

typeid is a C++ language operator which returns type identification information at run time.

Check this code : https://code.sololearn.com/cxq1Zcg3uykB/#cpp

Answer 6

typeid(...).name is not working in generall and not working for your own classes, you can only achieve it properly by writing some template stuff.
e.g. specialize a template function where you return the name.