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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Task4
  5. {
  6. 	public static void main (String[] args)
  7. 	{
  8. 		Scanner input = new Scanner(System.in);
  9. 		int n = input.nextInt();
  10. 		double workingTime, cof = 0;
  11. 		for(;n>0;n--) 
  12. 		{
  13. 			workingTime=input.nextDouble();
  14. 			cof+=1/workingTime;
  15. 		}
  16. 		System.out.printf("Работа будет выполнена за%5.1f часов \n", 1/cof);
  17. 	}
  18. }
Success #stdin #stdout 0.11s 2841600KB
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Работа будет выполнена за  0.5 часов
https://ideone.com/bzwsYr
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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