أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
I will not write the exact program (that's what you should do yourself)
C++
a) Include headers (iostream)
b) cout << "Hello World!" << endl;
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C
a) stdio.h
b) printf or puts a sting "Hello World!".
Good luck!
There are many ways to do so: