Catalan Number Concept

#1

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f(0)=0 hona chaiye thaa naa kyuki jaab koi node he nahi hai toh tree banega he nahi?

#2

@jatinupadhyay786
Bas maanliya ki agar empty hai toh aisa 1 tareeke ka tree hai null tree
Aisa isliye kara jisse aage ke ans nikal jaaye no issue

#3

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