Which type of variables suit for c++?

Answer 1

Int (ex : 2,80,100...)float (10.5,6.2,50.25..)
char (is a single character : x,y,a) string (more characters :"Hello" "Hello world") double(no idea what it does didnt pay attention when i read it) dont know all or if there are more but these are basic ones you should know

Answer 2

all data types variables can be suit for c++