Latest Articles
Discover our latest posts and insights from the Kode$word journey
Mastering Binary Search – LeetCode 704 Explained
A Complete Guide with Code Walkthrough, Algorithm Explanation, and Practice Recommendations
LeetCode 187 – Repeated DNA Sequences (Java Solution with Sliding Window and HashSet)
Step-by-Step Explanation with Optimized Approach and Time Complexity Analysis
Length of Longest Subarray With At Most K Frequency – Sliding Window Approach
Learn how to find the longest contiguous subarray where each element occurs at most K times using HashMap and sliding window.
Fruit Into Baskets – Sliding Window with Two Types
Learn how to maximize the number of fruits you can collect with two baskets using a sliding window and HashMap.
Longest Subarray of 1's After Deleting One Element – Sliding Window Approach
Learn how to maximize consecutive 1's in a binary array by deleting exactly one element using an efficient sliding window technique.
Max Consecutive Ones III – Sliding Window with Limited Flips
Learn how to maximize consecutive 1's in a binary array by flipping at most K zeros using an optimized sliding window approach.
Longest Substring with K Unique Characters – Efficient Sliding Window Solution
Master the sliding window technique using HashMap to find the longest substring with exactly K distinct characters.
Count Subarrays of Size K with Average ≥ Threshold — Sliding Window Solution (LeetCode 1343)
Efficiently counting qualifying subarrays using an O(n) sliding window approach
Maximum Average Subarray I — Efficient Solution Using Sliding Window (LeetCode 643)
How to optimize subarray average calculation from brute force to an O(n) sliding window approach