Can anyone help me to solve fibonacci series in C language

Answer 1

They're alot in code playground
Just do a quick search

https://code.sololearn.com/c6xOYOCrd7FU/?ref=app
https://code.sololearn.com/c4KSJX8WU37Z/?ref=app
https://code.sololearn.com/cRlDu7dbA8wk/?ref=app
https://code.sololearn.com/cK9nviEiQ7WO/?ref=app

Answer 2

https://www.geeksforgeeks.org/program-for-nth-fibonacci-number

// Keep learning & happy coding :D