How do I check that the user has entered integer/character as input so that I can store it in a variable of the same type

Question

so lets say i ask a user for input, "type in a number".
so basically i want to store the input depending on the type.
for example:
int x;
char y;
double z;
cout << "enter your number";
so i want to test and if it is an integer, it goes to x
if it is a character, it goes to y
if it is a decimal, it goes to z
and if it is a fraction, it goes to a

Answer 1

I think you should ask first about data type