need_for_speed.go

package speed
// TODO: define the 'Car' type struct
type Car struct {
    battery int
    batteryDrain int
    speed int
    distance int
}
// NewCar creates a new remote controlled car with full battery and given specifications.
func NewCar(speed, batteryDrain int) Car {
	return Car{
        speed:speed,
        batteryDrain:batteryDrain,
        battery:100,
        distance:0,
        }
}
// TODO: define the 'Track' type struct
type Track struct {
    distance int
}
// NewTrack created a new track
func NewTrack(distance int) Track {
	return Track{distance: distance}
}
// Drive drives the car one time. If there is not enough battery to drive on more time,
// the car will not move.
func Drive(car Car) Car {
    if car.battery >= car.batteryDrain {
        car.battery -= car.batteryDrain
        car.distance += car.speed
    }
    return car
}
// CanFinish checks if a car is able to finish a certain track.
func CanFinish(car Car, track Track) bool {
    for i:=car.distance;i<track.distance;i+=car.speed {
        if car.battery < car.batteryDrain {
            return false
        }
        car = Drive(car)
    }
	return true
}