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856天前import java.util.Scanner; |
public class Main{ |
public static void main(String[] args) { |
Scanner scan = new Scanner(System.in); |
int n = scan.nextInt(); |
int i; |
Truck tr = new Truck(); |
for(i = 0; i < n; i++) { |
int number = scan.nextInt(); |
int weight = scan.nextInt(); |
if(number == 1) { |
Appliance app = new TV(weight); |
tr.add(app); |
} |
else if(number == 2) { |
Appliance app = new WashMachine(weight); |
tr.add(app); |
} |
else { |
Appliance app = new AirConditioner(weight); |
tr.add(app); |
} |
} |
System.out.println(tr.getTWeight()); |
|
scan.close(); |
} |
} |
class Appliance{ |
private int weight; |
public Appliance(int wei) { |
weight = wei; |
} |
public int getWeight(){ |
return weight; |
} |
} |
class TV extends Appliance{ |
public TV(int wei) { |
super(wei); |
} |
public int getWeight(){ |
return super.getWeight(); |
} |
} |
class WashMachine extends Appliance{ |
public WashMachine(int wei) { |
super(wei); |
} |
public int getWeight() { |
return super.getWeight(); |
} |
} |
class AirConditioner extends Appliance{ |
public AirConditioner(int wei) { |
super(wei); |
} |
public int getWeight() { |
return super.getWeight(); |
} |
} |
class Truck{ |
private static int sum = 0; |
public Truck() { |
} |
public void add(Appliance a) { |
sum += a.getWeight(); |
} |
public int getTWeight() { |
return sum; |
} |
} |
