CPP

c++ type of a variable

#include<iostream>
using namespace std;
main()
{
auto variable = 45;
cout << typeid(variable).name() << endl;
}

C++ Variable Types

Type 			 Description

bool				Stores either value true or false.
char				Typically a single octet (one byte). This is an integer type.
int					The most natural size of integer for the machine.
float				A single-precision floating point value.
double				A double-precision floating point value.	
void				Represents the absence of type.
wchar_t				A wide character type.

c++ variable type

// Example
std::cout << "Data-type = " << typeid(YourVariable).name() << "
";
  
// Syntax
typeid(YourVariable).name()

define type c++

typedef unsigned int u_int; //giving 'unsigned int' a name of u_int

define a type in c++

typedef [type] [name_of variable]