Design Tag

2024

07-09

919. Complete Binary Tree Inserter

07-09

431. Encode N-ary Tree to Binary Tree

06-03

1261. Find Elements in a Contaminated Binary Tree

03-27

251. Flatten 2D Vector

01-03

284. Peeking Iterator

01-03

379. Design Phone Directory

2023

12-27

353. Design Snake Game

12-17

1429. First Unique Number

12-16

901. Online Stock Span

12-15

1670. Design Front Middle Back Queue

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