Computer Science · May / June 2018 · Paper 1 HL · Question 13
Adapt for 2027Searching a stack (B2.2.3) and building a binary search tree (B4.1.4, HL) are covered, but the stack search should be written in Python or Java instead of pseudocode.
IBCS
As printed in the paper
The question as text
13. The names of students attending a science fair were recorded in a stack data structure as each one arrived. … Troy Mia Jane Rick Ryan Abed Zara Sophie The first item stored in the stack was “Sophie”. Note that “Troy” is currently in position 0 in the stack.
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13(a)[5]
13(b)[3]
13(c)[4]
13(d)[3]
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