The following figure shows the flowchart for Fibonacci Series up to a given number. The number is considered as a variable "len" in the flowchart. Check the following C-Programs for Fibonacci series.

C Program for Fibonacci Series using While Loop

C program for Fibonacci Series using do-while Loop

 

Flowchart

fibonacci series programming9

Example Fibonacci series:

input:

10 

Output: 

0
1
1
2
3
5
8
13
21
34