One edge test is failing

module 11 (search in sorted 2D matrix)
one edge test is failing, please help me out

Did you check for test cases where there is 0 rows and 0 columns.
Also, check for 1 row and 1 col. 1 row and 2 col. 2 rows and 1 col.

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Closing this topic as your issue is resolved by the mentor. If it is still not resolved, Kindly un-mark the accepted solution or create a new topic and post this question as a reference link in the description of the new topic.