Pointers problems

6 Pointers DSA practice problems on CampusCode, each with statement, examples and constraints.

• 369. Swap Nodes (Not Data) at Two Given Positions Medium Linked List
• 370. Reverse a Sub-list from Position M to N Medium Linked List
• 378. Sort a Linked List of 0s, 1s and 2s by Changing Links Medium Linked List
• 395. Reverse Nodes in K-Group (No Extra Space) Hard Linked List
• 406. Reverse a Linked List in Alternate Groups Hard Linked List
• 415. Reverse Every Alternate Group of K Nodes Hard Linked List