Rahul Kumar Barnwal articles - 51 total
LeetCode Challenge: 49. Group Anagrams - JavaScript Solution 🚀
Top Interview 150 The Group Anagrams problem involves grouping words that are anagrams of each...
LeetCode Challenge: 242. Valid Anagram - JavaScript Solution 🚀
Top Interview 150 The Valid Anagram problem is a straightforward challenge involving string...
LeetCode Challenge: 290. Word Pattern - JavaScript Solution 🚀
Top Interview 150 The Word Pattern problem tests your ability to handle bijective mappings between...
LeetCode Challenge: 205. Isomorphic Strings - JavaScript Solution 🚀
Top Interview 150 The Isomorphic Strings problem is a string mapping challenge that involves...
LeetCode Challenge: 383. Ransom Note - JavaScript Solution 🚀
Top Interview 150 The Ransom Note problem is a simple string manipulation challenge that tests your...
LeetCode Challenge 289: Game of Life - JavaScript Solution 🚀
Top Interview 150 The Game of Life problem is a simulation-based challenge involving matrix updates...
LeetCode Challenge: 73. Set Matrix Zeroes - JavaScript Solution 🚀
Top Interview 150 The Set Matrix Zeroes problem is a common challenge involving in-place matrix...
LeetCode Challenge: 48. Rotate Image - JavaScript Solution 🚀
Top Interview 150 The Rotate Image problem involves rotating an n×n matrix by 90 degrees clockwise,...
LeetCode Challenge: 54. Spiral Matrix - JavaScript Solution 🚀
Top Interview 150 The Spiral Matrix problem is a common challenge involving matrix traversal. Let’s...
LeetCode Challenge: 36.Valid Sudoku - JavaScript Solution 🚀
Top Interview 150 In this post, we'll solve Valid Sudoku, a classic problem to validate a 9x9 Sudoku...
LeetCode Challenge: 76. Minimum Window Substring - JavaScript Solution 🚀
Top Interview 150 The Minimum Window Substring problem requires finding the smallest substring of s...
🔍 Mastering the Sliding Window Technique: A Developer's Guide
Hey there, coding enthusiasts! 👋 Today, we’ll demystify one of the most efficient and widely-used...
LeetCode Challenge 30: Substring with Concatenation of All Words - JavaScript Solution 🚀
Top Interview 150 The Substring with Concatenation of All Words problem is a challenging sliding...
LeetCode Challenge: 3. Longest Substring Without Repeating Characters - JavaScript Solution 🚀
Top Interview 150 The Longest Substring Without Repeating Characters problem is a classic sliding...
LeetCode Challenge: 209. Minimum Size Subarray Sum - JavaScript Solution 🚀
Top Interview 150 The Minimum Size Subarray Sum problem is an excellent example of sliding window...
💪Dev New Year Challenge 🎯🏆
My Journey Through 2024 and Bold Predictions for 2025 🌟🔮 ...
My Journey Through 2024 and Bold Predictions for 2025 🌟🔮
2024: Lessons, Milestones, and Growth 🌟 2024 was a year of transformation, challenges, and...
LeetCode Challenge: 15. 3Sum - JavaScript Solution 🚀
Top Interview 150 The 3Sum problem is a classic interview challenge that combines sorting,...
LeetCode Challenge: 11. 📦 Container With Most Water - JavaScript Solution 🚀
Top Interview 150 When it comes to solving LeetCode Problem 11: Container With Most Water, we aim to...
LeetCode Challenge: 167. Two Sum II - Input Array Is Sorted - JavaScript Solution 🚀
Top Interview 150 The Two Sum II problem leverages the fact that the input array is sorted. By using...
LeetCode Challenge: 392. Is Subsequence - JavaScript Solution 🚀
Top Interview 150 The Is Subsequence problem is a great challenge that involves iterating through...
![🧩 LeetCode Challenge: Remove Element | Top Interview Questions [Java Solution]](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fnvp1igumxjcc63w427an.gif)
🧩 LeetCode Challenge: Remove Element | Top Interview Questions [Java Solution]
Introduction 🚀 In this classic LeetCode problem, you’ll be working with arrays in a...
LeetCode Challenge: 125. Valid Palindrome - JavaScript Solution 🚀
Top Interview 150 The Valid Palindrome problem is a common challenge that tests your ability to...
LeetCode Challenge 68: Text Justification - JavaScript Solution 🚀
Top Interview 150 The Text Justification problem is a great test of string manipulation and greedy...
![🧩 LeetCode Challenge: Merge Sorted Array | Top Interview Questions [Java Solution]](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fyj10b9mgl3qmu3x2g2mc.gif)
🧩 LeetCode Challenge: Merge Sorted Array | Top Interview Questions [Java Solution]
Introduction 🚀 If you're preparing for coding interviews, especially for roles in FAANG or...
LeetCode Challenge: 28. Find the Index of the First Occurrence in a String - JavaScript Solution 🚀
Top Interview 150 The problem asks us to find the first occurrence of a substring (needle) in a...
LeetCode Challenge: 6. Zigzag Conversion - JavaScript Solution 🚀
Top Interview 150 The Zigzag Conversion problem is a fascinating challenge that tests your ability...
LeetCode Challenge: 151. Reverse Words in a String - JavaScript Solution 🚀
Top Interview 150 Reversing the words in a string while handling multiple spaces efficiently is a...
LeetCode Challenge: 14. Longest Common Prefix - JavaScript Solution 🚀
Top Interview 150 The Longest Common Prefix problem is a classic string manipulation challenge that...
LeetCode Challenge: 58. Length of Last Word - JavaScript Solution🚀
Top Interview 150 String manipulation is a common coding interview topic, and this problem is a...