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What is 12 Recursion about?

Recursion is useful for problems that can be represented by a simpler version of the same problem. We can express the factorial function as follows: if n = 1, return 0; / / no one to shake else return handshake(n-1) + n-1; . If there are three persons, treat it as having one more person added to the two persons, and shakes hands with them (2 extra handshakes)

Author

Satyender Rahul Mishra

Language

EN