I have Questions for the for loop in C++.!

So the above 2 question I have the answers:

Hello10 Hello8 Hello6 Hello4 Hello2 Hello0

---------------but in the standard answer, there's no Hello0.

for the 2nd one I got:

2 1.5 1.0 0.5 0

--------------but in the standard answer, again , there's no 0.

I want to know why!!!~~

Thank you so much if you can help me out~~

(PS: the questions are from AbsoluteC++ textbook, the language should be C++)

28. What is the output of the following (when embedded in a complete program)? for (int n = 10; n > 0; n = n - 2) cout 0; sample = sample - 0.5) cout