Available question text
Given pairs [left, right] with left < right, find the maximum number of pairs you can select so that each chosen pair's left is strictly greater than the previous pair's right — a longest chain of non-overlapping intervals (classic interval scheduling / longest compatible subsequence problem).
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 646. Maximum Length of Pair Chain
Reported date not specified · 0 source reports
Source snapshot: Nov 12, 2026
View source