Why is Codeforces warning me that it's better to use %I64d?

Правка en1, от Deemo, 2016-07-17 13:05:08

I just noticed that Codeforces has no problem judging c++ programs that are using %lld. So what is that warning for?


  Rev. Язык Кто Когда Δ Комментарий
en1 Английский Deemo 2016-07-17 13:05:08 176 (published)