How to write Numbers With Commas?

Question

Sometimes in C++ I want to use large number like 1000000 and it's confusing. How can I use commas (if that is possible)?

For example I want this to work

int x = 1,000,000;

This is called *thousand separator*, and not all locales use comma for that — MatG, Jun 20 '21 at 13:29

score 6 · Accepted Answer · answered Jun 20 '21 at 12:28

6

You an use the digit separator since c++14

int x = 1'000'000

Does this work for you?

answered Jun 20 '21 at 12:28

fabian

What if I used them wrong like: int x=1'0? – Jun 20 '21 at 12:33
3

@ariel • `int x=1'0;` is not using them wrong. They are intended to be a separator for readability. Cosmetic, like a comment. That's an unusual grouping, but isn't wrong. – Eljay Jun 20 '21 at 12:36

1 Answers1