Learning about different problem solving strategies and when to use them will give you a good start. Problem solving is a process. Most strategies provide steps that help you identify the problem and choose the best solution. There are two basic types of strategies: algorithmic and heuristic.
It should be 'No vacancies' (plural). Vacant means empty/free. Vacancy is the state of being empty, therefore 'no vacancies' = no empty rooms.
Freebase(0.00 / 0 votes)Rate this definition: In baseball, a no-hitter is a game in which a team was not able to record a single hit. Major League Baseball officially defines a no-hitter as a completed game in which a team that batted in at least nine innings recorded no hits.