Stack Tag

2024

07-13

1214. Two Sum BSTs

07-13

1008. Construct Binary Search Tree from Preorder Traversal

07-11

536. Construct Binary Tree from String

07-01

897. Increasing Order Search Tree

06-07

426. Convert Binary Search Tree to Sorted Doubly Linked List

06-07

331. Verify Preorder Serialization of a Binary Tree

06-05

3170. Lexicographically Minimum String After Removing Stars

05-08

3113. Find the Number of Subarrays Where Boundary Elements Are Maximum

2023

12-16

402. Remove K Digits

12-16

901. Online Stock Span

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