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Fibonacci Series

4 New Member
I need help with this problem. I have tried writting the program, i just can not get it to run properly.

Please Write
The Fibonacci series
0, 1, 1, 2, 3, 5, 8, 13, 21, ...
begins with the terms 0 and 1 and has the property that each succeeding term is the sum of the two preceding terms.
(a) Write a nonrecursive function fibonacci( n ) that calculates the nth Fibonacci number.

and than you
Aug 2 '06
22 123006
1,764 Recognized Expert Top Contributor
plese give me the program.
Sure,just follow this link.

Jun 13 '07 #21
1 New Member

Recursion in this case might cause the stack overflow for larger series. I think the most optimized piece of code can be

Expand|Select|Wrap|Line Numbers
  1. #include < iostream.h >
  3. void main()
  4. {
  5.     unsigned int initial_value = 0, final_value = 1, count = 0; 
  7.     cout << "Give the count:";
  8.     cin   >> count;
  10.     while( count-- ) {
  11.         cout  <<  initial_value  <<  endl;
  12.         final_value += initial_value;
  13.         initial_value = final_value - initial_value;        
  14.     }
  15. }
It prints till count 48. Perhaps you need larger datatype insted of 'int' in case you need larger series.

Shashikant Patil
Aug 1 '07 #22
11,448 Recognized Expert MVP

Recursion in this case might cause the stack overflow for larger series. I think the most optimized piece of code can be -
Have a look at a closed form formula; it's equation (6) in this link.

kind regards,

Aug 1 '07 #23

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