Fibonacci recursion stack representation

sir,in this video sir told us about about how the fuction work in memory,so when n =1 it goes to base case and return n that is 1 and f1 becomes 1 and after that f2is called and then n=0,please tell me n becomes 0

hello @Abhishmu5
when n will become 0 then 0 will be return ( in the same way as when n =1 )
so what exaclty u want to ask?

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