input: [Order of growth] 2N [Name] exponential [Example] check all subsets [Description] 
output: exhaustive search
options: s t a t e m e n t
options: d i v i d e i n h a l f
options: l o o p
options: d i v i d e + c o n q u e r
options: d o u b l e l o o p
options: t r i p l e l o o p
options: e x h a u s t i v e s e a r c h