OpenAIVerified interview challenge
Find the earliest supported version
Search for the first supported version while adapting to changing assumptions about the support pattern.
Unlock with Full AccessThe challenge
Version strings are not supplied in numeric version order, and checking support is expensive. The parts move from one support boundary to regressions and a more structured support pattern. Choose a search strategy justified by the current contract rather than assuming binary search is valid in every part.
What you'll practise
Version ordering
Compare numeric version components while returning the original representation.
Search assumptions
Use the available structure to control probe calls without skipping possible answers.
Current partFurther parts unlock as you progress
solution.pyPython 3.13
# Build on your implementation
# Run checks for the current part
# Full starter code includedCurrent-part checks
Run your code to see results.
The complete sequence, starter code and checks are included with Full Access.