Computer Science · May / June 2023 · Paper 1 TZ1 HL · Question 13
Adapt for 2027Recursion (B2.4.4, HL only) and stacks and queues (B2.2) are covered, but this recursion has two calls, which goes beyond the simple recursion students trace; rewrite in Python or Java.
IBCS
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The question as text
13. Consider the following recursive method: rec(A) if A >= 2 then return rec(A-2) + rec(A-1) else return 1 end if end rec
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13(a)[4]
13(b)[4]
13(c)[2]
13(d)[5]
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