dsa problems

List

Stack

• Valid Parantheses
• Minimum Stack

Singly Linked Lists

• Reverse Linked List
• Merge Two Sorted Linked Lists
• Singly Linked List Operations
• Merge K Sorted Linked Lists

Doubly Linked List

• Design Linked List
• Design Browser History

Queue

• Number of Students Unable to Eat Lunch

Sorting algorithm

Bucket sort

• Sort Colors