Easy Level (For Basics)
- Reverse a String – TCS Ninja
- Two Sum – Wipro
- Palindrome Check – Infosys
- [Find Max and Min in Array] – Capgemini
- [Fibonacci using Recursion] – Infosys
- [Linear Search] – TCS
- Binary Search – Wipro
- Remove Duplicates from Sorted Array – TCS
- Check Anagram – Capgemini
- Merge Two Sorted Arrays – Infosys
🔹 Medium Level (Must-Solve)
- Two Sum II – Input Sorted – Wipro
- Rotate Array – Capgemini
- Majority Element – Infosys
- Linked List Cycle – TCS Digital
- Middle of Linked List – Wipro
- Intersection of Two Arrays – TCS
- Climbing Stairs (DP) – Infosys
- Valid Parentheses – Capgemini
- Longest Common Prefix – Wipro
- Count 1s in Binary – Infosys
- Subarray Sum Equals K – Capgemini
- Kth Largest Element – Infosys
- Find Peak Element – TCS
- Move Zeroes – Wipro
- Isomorphic Strings – Infosys
- Power of Two – Capgemini
- Missing Number – TCS
- First Unique Character in String – Wipro
- Detect Capital – Infosys
- Relative Ranks – Capgemini
🔹 Advanced Level (Optional but Strong Boost)
- Merge Intervals – Infosys SP
- Search in Rotated Sorted Array – TCS Digital
- Longest Substring Without Repeating Characters – Wipro
- Unique Paths – TCS
- Implement Trie – Capgemini
- Flood Fill – Wipro
- Subsets – Infosys
- Letter Case Permutation – TCS
- Find the Difference – Wipro
- N-Queens – Infosys
🔹 Interview-Driven Coding Questions
- Reverse Linked List – Infosys
- Palindrome Linked List – TCS
- Maximum Depth of Binary Tree – Wipro
- Diameter of Binary Tree – Infosys
- Lowest Common Ancestor – Capgemini
- Course Schedule – Infosys
- Find the Duplicate Number – TCS Digital
- Top K Frequent Elements – Capgemini
- Valid Anagram – Infosys
- House Robber – TCS
🔹 Bonus 10 Questions (Speed Practice)
- Fizz Buzz – TCS
- Maximum Product of Three Numbers – Infosys
- Longest Palindromic Substring – TCS Digital
- Binary Tree Inorder Traversal – Capgemini
- Find All Duplicates – Infosys
- Jump Game – Wipro
- Majority Element II – TCS
- Spiral Matrix – Capgemini
- Find Pivot Index – Infosys