And a function of the difference operator

And a function of the difference operator -2020-3-9

First, the function

Function can define their own can also be used by the introduction of C header files / C ++ comes with a function called library function .

Second, operator

Example
1. Arithmetic Operators

2. The shift operators

3. bitwise operator

4. assignment operator

The unary operators

6. Relational Operators

7. Logical Operators

8. conditions operation marks