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Lucky Numbers in a Matrix Problem

Delete Nodes And Return Forest Problem

Create Binary Tree From Descriptions Problem

Find the Winner of the Circular Game

Find the Minimum and Maximum Number of Nodes Between Critical Points Problem

Merge Nodes in Between Zeros Problem

Minimum Difference Between Largest and Smallest Value in Three Moves Problem

Three Consecutive Odds

All Ancestors of a Node in a Directed Acyclic Graph Problem

Split Linked List in Parts Problem