Algo Ducky
Welcome to Algo Ducky, where we quack our way through algorithms, data structures, and LeetCode problems! 🦆💡 Whether you’re preparing for coding interviews, sharpening your problem-solving skills, or just love the art of debugging with a rubber duck, this is the place for you.
Join me as we break down complex problems into simple, easy-to-understand solutions—step by step, line by line. From beginner-friendly explanations to advanced algorithmic deep dives, Algo Ducky is here to help you think like a coder and code like a pro!
Subscribe now, and let’s crack (or quack 🦆) the code together! 🚀
LeetCode #53: Maximum Subarray in Java | Brute Force vs DP vs Kadane's - Real FAANG Optimization!
LeetCode #252: Meeting Rooms in Java | Brute Force vs Sorting vs Sweep Line - Real Interview Trick!
LeetCode #29: Divide Two Integers in Java | Bit Shifting & Doubling O(log n) - No Multiplication!
LeetCode #224: Basic Calculator in Java | Recursion vs Stack - O(n²) to O(n) Optimization!
LeetCode #28: Find the Index of the First Occurrence in a String in Java | Brute Force vs KMP
LeetCode #219: Contains Duplicate II in Java | Brute Force vs HashMap vs Sliding Window - Trick!
LeetCode #27: Remove Element in Java | Brute Force vs Two Pointers O(n) | Clean In-Place Trick!
LeetCode #162: Find Peak Element in Java | Brute Force vs Binary Search - Interview Goldmine!
LeetCode #26: Remove Duplicates from Sorted Array in Java | Two Pointers O(n) - Must-Know Trick!
LeetCode #49: Group Anagrams in Java | Brute Force vs Hash Map O(n k log k) - Real World Ready!
LeetCode #24: Swap Nodes in Pairs in Java | Recursion vs Iteration O(n) - Linked List Masterclass!
LeetCode #689: Maximum Sum of 3 Non-Overlapping Subarrays in Java | Prefix Sums & Sliding Window!
LeetCode #23: Merge k Sorted Lists in Java | Brute Force vs Divide & Conquer O(n log k) -Merge Hack!
LeetCode #22: Generate Parentheses in Java | Brute Force vs DP vs Backtracking - Optimal Pattern!
LeetCode #736: Parse Lisp Expression in Java | Brute Force vs Scoped Recursion - Compiler-Grade!!!
LeetCode #21: Merge Two Sorted Lists in Java | Brute Force vs Recursive vs Iterative - Must-Know!
LeetCode #20: Valid Parentheses in Java | Brute Force vs Stack - Clean One-Pass Trick FAANG Loves
LeetCode #560: Subarray Sum Equals K in Java | Brute Force to Hash Map - One Trick to Rule Them All!
LeetCode #19: Remove Nth Node From End of List in Java | Two-Pass vs One-Pass O(L) - Must Know Trick
LeetCode #18: 4Sum in Java | Brute Force vs Two Pointers vs K-Sum - Scalable Interview Tactic!
LeetCode #2235: Add Two Integers in Java | Brute Force vs Bitwise vs Direct O(1) - Simple Yet Sneaky
LeetCode #17: Letter Combinations of a Phone Number in Java | Brute Force vs BFS vs Backtracking!
LeetCode #16: 3Sum Closest in Java | Brute Force vs Hash vs Two Pointers - Optimize or Quack Trying!
LeetCode #1762: Buildings With an Ocean View in Java | Brute Force vs Greedy O(n) - Optimize or Sink
LeetCode #15: 3Sum in Java | Brute Force vs HashSet vs Two Pointers - Optimize Your Triplets!
LeetCode #14: Longest Common Prefix in Java | Brute Force vs Trim vs Binary Search - Huge Perf Win!
LeetCode #680: Valid Palindrome II in Java | Brute Force vs Two Pointers O(n) - Interview Must-Know!
LeetCode #13: Roman to Integer in Java | Brute Force vs Greedy O(n) - Cleanest Parsing Trick!
LeetCode #12: Integer to Roman in Java | Brute Force vs Lookup vs Greedy - Interview-Ready Strategy!
LeetCode #339: Nested List Weight Sum in Java | Brute Force vs DFS - Elegant Recursion Win!