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Версия 1.0 #1
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Версия 1.0 #1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| public class Car { | ||
| String name; | ||
| int speed; | ||
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| public Car(String name, int speed){ | ||
| this.name = name; | ||
| this.speed = speed; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,59 @@ | ||
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| import java.util.ArrayList; | ||
| import java.util.Scanner; | ||
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| public class Main { | ||
| public static void main(String[] args) { | ||
| System.out.println("Hello world!"); | ||
| public static void main(String[] args) | ||
| { | ||
| Scanner scanner = new Scanner(System.in); | ||
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| Race f1 = new Race(); | ||
| ArrayList<Car> startingProtocol = new ArrayList<>(); | ||
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| //Добавим машины в стартовый протокол. Будем считать, что в гонке могут участвовать только три машины | ||
| for (byte i = 1; i <= 3; i++) { | ||
| System.out.println("Введите название машины №" + i + ":"); | ||
| String carName = scanner.next(); | ||
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| while (true) { | ||
| System.out.println("Введите скорость машины №" + i + ":"); | ||
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| String stnigSpeed = scanner.next(); | ||
| int intSpeed; | ||
| try | ||
| { | ||
| intSpeed = Integer.parseInt(stnigSpeed.trim()); | ||
| } | ||
| catch (NumberFormatException nfe) | ||
| { | ||
| System.out.println("Скорость указана некорретно! Введите целое числовое значение!"); | ||
| continue; | ||
| } | ||
| if (intSpeed > 0 && intSpeed <= 250){ | ||
| Car car = new Car(carName, intSpeed); | ||
| startingProtocol.add(car); | ||
| break; | ||
| } else { | ||
| System.out.println("Скорость машины должна быть от 1 до 250 км/час!"); | ||
| } | ||
| } | ||
| } | ||
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| //Проводим гонку | ||
| for (Car car : startingProtocol) { | ||
| f1.updateLeader(car.name, car.speed); | ||
| } | ||
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| //Выводим результаты гонки | ||
| String winerString; | ||
| if (f1.leadersArray.size()==1) { | ||
| winerString = "Самая быстрая машина в гонке: " + f1.leadersArray.get(0); | ||
| } else { | ||
| winerString = "В гонке несколько самых быстрых машин: "; | ||
| for (byte i = 0; i < f1.leadersArray.size(); i++) { | ||
| winerString = winerString + (i == 0 ? "" : ", ") + f1.leadersArray.get(i); | ||
| } | ||
| } | ||
| System.out.println(winerString); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import java.util.ArrayList; | ||
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| public class Race { | ||
| int bestDistance; | ||
| //Несколько машин могут проехать одинаковую дистанцию гонки, имея одинаковую скорость | ||
| //Таким образом, необходимо хранить не одного промежуточного лидера, а список лидеров | ||
| ArrayList<String> leadersArray = new ArrayList<>(); | ||
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eKiva marked this conversation as resolved.
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| public void updateLeader(String carName, int carSpeed) { | ||
| int carDistance = carSpeed * 24; | ||
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| if (carDistance >= this.bestDistance) { //Это претендент на лидерство: показал лучшую дистанцию или дистанцию, равную текущей лучшей | ||
| //Если претендент стал единоличным лидером, то запомним новую лучшую дистанцию и очистим сисок лидеров | ||
| if (carDistance > this.bestDistance) { | ||
| this.bestDistance = carDistance; | ||
| if (!leadersArray.isEmpty()) { | ||
| leadersArray.clear(); | ||
| } | ||
| } | ||
| //Добавим название машины в список лидеров | ||
| leadersArray.add(carName); | ||
| } | ||
| } | ||
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| } | ||
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