Shulou(Shulou.com)06/01 Report--

This article mainly introduces "how to use const in programming". In daily operation, I believe many people have doubts about how to use const in programming. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about "how to use const in programming." Next, please follow the editor to study!

1 Overview: the difference between const and define

Let's first look at a typical program:

# includeusing namespace std;int main () {int num = 1; # define T1 num + num # define T2% T1 cout

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