Say I only want to know the heaviest. If I have a balancing scale, that will require N-1 balancing scale.
If I want to know the lightest.
Same.
What about if I want to know both the heaviest and lightest?
Say I only want to know the heaviest. If I have a balancing scale, that will require N-1 balancing scale.
If I want to know the lightest.
Same.
What about if I want to know both the heaviest and lightest?