how a loop turns to negative direction?

Answer 1

for example

for (x=5;x>0;x--){
put your loop statement here
}

in the example above, the loop will run 5 times and variable x will decrease by 1 every loop.

Answer 2

Can you please specify exactly what do you want to do?

Answer 3

just that. Thanks

Answer 4

I can turn the loop (-) direction

Answer 5

you're welcome.