alleryMatch branch cases: 1. Equal: p. Match pos 2. Less: q. Lower half 3. More: r. Upper half
A1-p, 2-q, 3-r
B1-p, 2-r, 3-q
C1-q, 2-p, 3-r
D1-r, 2-p, 3-q
Answer & Solution
Correct answer: A. 1-p, 2-q, 3-r
When target equals midpoint the index is returned, when smaller the search moves left, and when larger it continues in the upper half.
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