a244: 新手訓練 ~ for + if

題目:http://zerojudge.tw/ShowProblem?problemid=a244
程式碼:

import java.util.Scanner;
public class a244 {

 public static void main(String[] args) {
  // TODO Auto-generated method stub
  Scanner sc = new Scanner(System.in);
  while(sc.hasNext()){
   int n = sc.nextInt();
   int a;
   long b,c;
   for(int i=1;i<=n;i++){
     a = sc.nextInt();
     b = sc.nextLong();
     c = sc.nextLong();
     switch(a){
     case 1:
      System.out.println(b+c);
      break;
     case 2:
      System.out.println(b-c);
      break;
     case 3:
      System.out.println(b*c);
      break;
     case 4:
      System.out.println(b/c);
      break;
     }
   }
   
  }

 }

}