How to use the operator of C++ correctly

Today, I would like to share with you the relevant knowledge of how to correctly use the operator of C++. The content is detailed and the logic is clear. I believe most people still know too much about this, so share this article for your reference. I hope you can get something after reading this article, let's take a look at it.

Preface

The role of operators: operations used to perform code

The main ones are:

1 arithmetic operator

Used to deal with four operations

For pre-increment: the increment operation is preceded so that the variable is added one first, and then the expression operation is performed.

For post-increment: the increment operation will be postpositioned, so that the variable first carries on the expression operation, and then adds one.

# includeusing namespace std;int main () {/ / 1. Pre-increment: add one first, and then perform the expression operation int a = 10; int b = + a * 10; cout