Day 14 of My 100 days of Leetcode Journey. | NeetCode 150 | Java FreeCodeCamp AI Apna College Game

Day 14 of 100 – LeetCode Journey
Preparing for MAANG or FinTech? SAVE this.

These 3 Linked List problems are non-negotiable.
They’re not just “easy” — they’re foundational. Master these, and you’ll unlock patterns that show up in system design, recursion, and even dynamic programming.

1. Reverse Linked List [#206]
→ Master iterative & recursive
→ Teaches pointer flipping, a core concept used in almost every linked list manipulation

2. Merge Two Sorted Lists [#21]
→ Popular warm-up question
→ You’ll use the same logic in merge sort, priority queues, and interval problems

3. Linked List Cycle [#141]
→ Your intro to fast & slow pointers
→ This pattern is used in detecting loops, finding midpoints, and even palindrome checking

Why save this?
Because understanding these =

Strong fundamentals
Less brute force, more smart solving
Faster time to solve problems in interviews
LeetCode is not about solving 500+ problems.
It’s about deep understanding of core patterns.

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