Stack Tag

2024

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

12-16

1475. Final Prices With a Special Discount in a Shop

12-16

1944. Number of Visible People in a Queue

12-15

1019. Next Greater Node In Linked List

12-13

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