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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. // your code goes here
  13. Scanner sc = new Scanner(System.in);
  14. int n = sc.nextInt();
  15. System.out.println(fibonacci(n));
  16.  
  17. }
  18.  
  19. public static int fibonacci(int n){
  20.  
  21. if(n == 0){
  22. System.out.println(0);
  23. return 0;
  24. }
  25. else if(n == 1){
  26. System.out.println(1);
  27. return 1;
  28. }
  29. else {
  30. return fibonacci(n-2) + fibonacci(n-1);
  31. }
  32.  
  33.  
  34. }
  35. }
Success #stdin #stdout 0.14s 54556KB
stdin
3
stdout
1
0
1
2