Loops/While
< Loops
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You are encouraged to solve this task according to the task description, using any language you may know.
Start a value at 1024. Loop while it is greater than 0. Print the value (with a newline) and divide it by two each time through the loop.
BASIC
<qbasic>i = 1024 while i > 0
print i i = i / 2
wend</qbasic>
C
int i = 1024; while(i > 0) { printf("%d\n", i); i /= 2; }
Haskell
Introducing and especially updating a loop variable requires side effects. So it's simpler to just create a list of the required values, and then loop over it to print them. However, that doesn't really reflect the structure of the imperative solutions.
mapM print $ takeWhile (>0) $ iterate (`div` 2) 1024
Java
<java>int i = 1024; while(i > 0){
System.out.println(i); i >>= 1; //also acceptable: i /= 2;
}</java>