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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		Scanner in = new Scanner(System.in);
  10. 		PrintWriter out = new PrintWriter(System.out);
  11. 		int n;
  12. 		n=in.nextInt();
  13. 		double S = 0;
  14. 		S=1-(1/n);
  15. 		System.out.println(S);
  16. 	}
  17. }
Success #stdin #stdout 0.08s 29496KB
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1.0
https://ideone.com/2lcOp6
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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