Available question text
Given a permutation arr that flips positions from 0 to 1 over n steps, determine the last step index at which there exists a contiguous block of exactly m ones — i.e., track how ranges of ones form and merge as bits are set (n up to 1e5).
Related questions
Continue with questions that share topics or the same question type.
Sources · 1 reference
These records explain where the question appears. A company tag or candidate report does not guarantee a future interview question.
Hello Interview · 1 record
No company association
Leetcode 1562. Find Latest Group of Size M
Reported date not specified · 0 source reports
Source snapshot: Nov 12, 2026
View source