Search Book ISBN in Catalog
Search Book ISBN in Catalog
MediumBinary Search0% accepted
Meera manages Delhi Public Library's digital catalog where books are indexed by ISBN. Patrons need to find if a book exists and its catalog position.
Approach
Given a sorted array of book ISBNs and a target ISBN, return the index if found, else return -1.
Input
5
9780140124064 9780141018928 9780143039273 9780451524934 9780553382990
9780143039273
Output
2
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