Problems in Different Forms Decision Problem,the answer is simply "YES"or "NO" Search Problem,find a solution satisfying some properties if one exists,else return it doesn't exist Optimization Problem,each solution has an associated value,find a solution with best value (min max) 3Problems in Different Forms Decision Problem, the answer is simply “YES” or “NO” Search Problem, find a solution satisfying some properties if one exists, else return it doesn’t exist Optimization Problem, each solution has an associated value, find a solution with best value (min / max) 3