Base case of recursive approach

#1

If the length of the string is 0, why are we considering that there could be one possible string combination where there is no consecutive 1’s ?

#2

@souptiksarkar4572 an empty string can also be considered as a valid case because it satisfies the condition.

Please mark the doubt as resolved in case of no further queries.

#3

Okay I got it. Thank you very much.

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