how to see type of a variable in c++ code example

Example 1: c++ how to check type of variable

typeid(variable).name()

Example 2: how to check datatype of a variable in c++

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

Example 3: how to know datatype of something in c++

int k;
cout << typeid(k).name() << endl;