Skip to content

fix: handle not-found edges in exponential_search #14806

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
pony-maggie wants to merge 3 commits into from
Closed

fix: handle not-found edges in exponential_search #14806

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
a8d2f41
fix: handle missing lower bound in exponential search
pony-maggie Jun 15, 2026
0c099ba
Merge branch 'master' into exponential-search-boundaries
cclauss Sep 25, 2026
d8717b2
Fix test cases for exponential_search function
cclauss Sep 25, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 9 additions & 0 deletions searches/exponential_search.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -81,10 +81,19 @@ def exponential_search(sorted_collection: list[int], item: int) -> int:
1
>>> exponential_search([0, 5, 7, 10, 15], 6)
-1
>>> exponential_search([], 1)
-1
>>> exponential_search([1, 1], -1)
-1
"""
if list(sorted_collection) != sorted(sorted_collection):
raise ValueError("sorted_collection must be sorted in ascending order")

if not sorted_collection:
return -1

if sorted_collection[0] > item:
return -1
if sorted_collection[0] == item:
return 0

Expand Down