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水、

 

AC代码：

1 import java.util.Scanner; 2  3 public class Main { 4  5     public static void main(String[] args) { 6          7         Scanner sc=new Scanner(System.in); 8          9         int times=sc.nextInt();10         while(times-->0){11             double a=sc.nextInt()*1.0/sc.nextInt();12             double b=sc.nextInt()*1.0/sc.nextInt();13             14             System.out.println(a>=b?"iphone 5S":"iphone 5C");15         }16         17     }18     19 }

 

题目来源：