[Please Help^^ / Yet to Solve] What did I do wrong?【C Language】

How can I make it output “Hello world!” twice?

Thank you for helping a noob.

Are you sure the .exe you are running was compiled from the code you’re showing here? Or was it compiled from earlier version of your code, when you only had one printf() in there? My guess is you need to recompile the code.

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Yep, I’m pretty sure that I run the .exe after compiling. And I’ve retried many times. still not working.
Is it because I clicked the abort button way earlier? (But after that I have restarted the project) If so, how can I undo it?