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  1. 	import java.util.*;
  2. 	public class Main{
  3. 		public static void main(String[]args){
  4. 			Scanner sc=new Scanner (System.in);
  5. 			int t=sc.nextInt();
  6. 			double x,s,h,ta,trapa;
  7. 			if(t<=20){
  8. 				for(int i=1;i<=t;i++){
  9. 				double a=sc.nextDouble();
  10. 				double b=sc.nextDouble();
  11. 				double c=sc.nextDouble();
  12. 				double d=sc.nextDouble();
  13. 				x=Math.abs(a-c);
  14. 				s=0.5*(x+b+d);
  15. 				ta=Math.sqrt((s*(s-x)*(s-b)*(s-d)));
  16. 				h=(ta*2)/x;
  17. 				trapa=0.5*(a+c)*h;
  18. 				if(trapa>=0 && trapa<=200){
  19. 					System.out.printf("%.4f%n Case"+i+": "+trapa);
  20. 				}
  21. 			}
  22. 		}
  23. 		}
  24. 	}
Runtime error #stdin #stdout #stderr 0.08s 4386816KB
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stdin
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2
6 5 12 5.0
9 5 6 4
stdout
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Standard output is empty
stderr
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Exception in thread "main" java.util.MissingFormatArgumentException: Format specifier '%.4f'
	at java.util.Formatter.format(Formatter.java:2519)
	at java.io.PrintStream.format(PrintStream.java:970)
	at java.io.PrintStream.printf(PrintStream.java:871)
	at Main.main(Main.java:19)
https://ideone.com/jL0S19
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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