Latest Articles
Discover our latest posts and insights from the Kode$word journey
Check if Binary String Has at Most One Segment of Ones – Java Solution (LeetCode 1784)
Learn how to determine whether a binary string contains only one continuous group of 1s. This article explains the problem clearly, builds the intuition step-by-step, and walks through a clean Java solution with time complexity analysis.
Roman to Integer – Easy Explanation with Java Solution (LeetCode 13)
Learn how to convert Roman numerals into integers using a simple algorithm. This guide explains the intuition, rules of Roman numerals, and a step-by-step Java solution for the popular LeetCode problem.
Minimum Changes to Make Alternating Binary String – LeetCode 1758 Explained
Understand how to convert a binary string into an alternating pattern with the minimum number of flips using a simple greedy approach.
Efficient & Ethical: How to Scrape API Data Continuously Using Python
A Guide to Automating Data Collection with Rate Limiting and CSV Storage
Find Minimum in Rotated Sorted Array – Binary Search Explained | LeetCode Medium 153
LeetCode 153 – Find the minimum element in a rotated sorted array in O(log n) time.
Ceil in a Sorted Array – Binary Search Explained with Story & Visuals | GeeksforGeeks
GeeksforGeeks Problem – Find the smallest element ≥ x in a sorted array using multiple approaches, dry runs, and story-based visualization.
Floor in a Sorted Array – Binary Search Explained with Story & Visuals | GeeksforGeeks
GeeksforGeeks Problem – Find the largest element ≤ x in a sorted array efficiently with multiple approaches, dry runs, and story-based visuals.
Valid Anagram – Frequency Counting Pattern Explained (LeetCode 242)
Using HashMap and Array Optimization to Detect Anagrams Efficiently
Reverse Vowels of a String – From Extra Space Approach to Two Pointer Optimization (LeetCode 345)
Understanding Different Ways to Reverse Only Vowels Efficiently