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  1. import java.util.*;
  2.  
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6.  
  7.  
  8. class Ideone
  9. {
  10.  
  11. public static void main (String[] args) throws java.lang.Exception
  12.  
  13. {
  14. 	 BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));
  15.  
  16.  
  17.         System.out.print("輸入費氏數列項數m：");
  18.  
  19.  
  20. int m=Integer.parseInt(buf.readLine());
  21.  
  22.  
  23. System.out.println("費氏數列第"+m+"項數的值為"+fib(m));
  24.  
  25.  
  26.   System.out.print("Current Time in milliseconds = ");
  27.  
  28.  System.out.println(System.currentTimeMillis());
  29.  
  30.  }
  31.  
  32.  
  33.  
  34.  
  35.  public static long fib(int n){
  36.  
  37.         if(n==1)
  38.  
  39.         return 1;
  40.  
  41.     else if (n==2)
  42.  
  43.         return 1;
  44.  
  45.     else
  46.  
  47.  
  48.  return fib(n-1)+fib(n-2);
  49.  
  50.     }  
  51.  
  52. }
  53.  
Success #stdin #stdout 0.07s 27752KB
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stdout
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輸入費氏數列項數m：費氏數列第2項數的值為1
Current Time in milliseconds = 1524531062240
https://ideone.com/SWYanV
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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