There are four basic types of variables in C++. They are char, int, float and double. There are two size qualifiers short and long which can be used with int. Also there are 2 types of signs, signed and unsigned.
for the best results you better Google it. more over there are 4 types of variables in C++, int, char, float, double int also includes unsigned int , signed int, long int, short int, unsigned short int, unsigned long int.