Cout, rather than printf

Although it is not as convenient as printf, the most important

Printf is more likely to cause runtime errors. For example, the yuanshu operator mistakenly writes the incorrect format character.

This error is fatal and difficult to troubleshoot.

Cout does not.

In addition, <is an operator, while printf is a function call. Is there any more difference in it?

 

Important Supplement:

The multi-thread programming principle and application in Windows has always used cout instead of printf. Is it intended to inspire readers to study cout's non-reentrant?

 

Printf cannot be reentrant. Thread security is caused only when re-entry is not allowed.