01.import java.util.*;
02.class HelloWorld {
03.
04. public static void main(String[] args)
05. {
06. Scanner data = new Scanner(System.in);
07. System.out.print("Input odd number only : ");
08. int n = data.nextInt();
09. int j;
10. int temp = 0;
11. double avg;
12. double op = 0;
13. if(n%2==0)
14. System.out.println("Error");
15. else
16. {for(j=1;j<=n;j+=2)
17. {long powans = power(j);
18. long facans = factorial(j);
19. avg = powans/facans;
20. temp = temp+1;
21. if(temp%2==0)
22. {op = op-avg;
23. }
24. else
25. {op = op+avg;
26. }
27. System.out.println(op+" "+powans+" "+facans+" "+avg);
28. }
29. System.out.println("="+op);
30. }}
31. public static long power(int j)
32. {long powans = 1;
33. for(int i=1;i<=2;i++)
34. {powans = powans*j;}
35. return powans;
36. }
37. public static long factorial(int j)
38. {long facans = 1;
39. for(int i=1;i<=j;i++)
40. {facans = facans*i;}
41. return facans;
42. }
43.
44.}
Load balance : Server 01
Quote:
