Add bottom-up merge sort
Current implementation of merge sort is top-down merge sort
merge sort
top-down merge sort
Should we add bottom-up merge sort?
bottom-up merge sort
I filed a PR for this, if bottom-up merge sort should be added, we can merge it.
Add bottom-up merge sort #367
Current implementation of
merge sort
istop-down merge sort
Should we add
bottom-up merge sort
?