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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone {
  6. 	public static void main (String[] args) {
  7. 		Scanner x = new Scanner(System.in);
  8. 		double p = 1, a ;
  9. 		int c = 0;
  10. 		while( x.hasNext() ) {
  11. 			a = x.nextDouble();
  12. 			if(a >= 0) {
  13. 				c++;
  14. 				p*=a;
  15. 			} else break;
  16. 		}
  17. 		System.out.printf("%.2f", Math.pow(p,1.0/c) );
  18. 	}
  19. }
Success #stdin #stdout 0.17s 321344KB
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https://ideone.com/oQl1Xa
Среднее геометрическое (!)
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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