Question 5
In a car park, cars may park in bays or in front of bays, as illustrated below.
Cars in front of the bays can be pushed forward or backward to make room for cars in the bays to leave. For example, car A can leave without moving any other car, whereas the driver of L must push M back one space. Which car’s driver must push two other cars in order to leave?
Cars in front of the bays can be pushed forward or backward to make room for cars in the bays to leave. For example, car A can leave without moving any other car, whereas the driver of L must push M back one space. Which car’s driver must push two other cars in order to leave?