Algorithms are funny this way. Most of the time you don't need them, but when you do (and if you don't, you can't tell it when), it is a world of difference. S

Algorithms are funny this way. Most of the time you don't need them, but when you do (and if you don't, you can't tell it when), it is a world of difference. Still, just knowing they exist and how to formulate the search is usually enough.