GATE 2016 · CS1 - Forenoon
A function f: N+ -> N+ satisfies: f(n) = f(n/2) if n is even, and f(n) = f(n+5) if n is odd. Let R = { i | ∃j: f(j) = i } be the set of distinct values that f takes. The maximum possible size of R is _______
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