My daily coding blog

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My daily coding blog
7 posts
Day 7 – Solving Longest Common Prefix in Python
One of the common string problems asked in coding interviews is Longest Common Prefix. At first glance, the problem seems straightforward, but it teaches us how to compare multiple strings efficiently
Jul 28, 20265 min read1
LeetCode Day 6: Valid Parentheses – Python Solution
The Valid Parentheses problem is one of the most popular beginner-friendly stack problems on LeetCode. It teaches you how to process nested structures efficiently and introduces the concept of Last In
Jul 27, 20266 min read
Leetcode Day 5 – Solving Valid Parentheses Using a Stack in Python
When I first looked at the Valid Parentheses problem, it seemed simple because it only involved brackets. But after trying a few test cases, I realized that the challenge is keeping track of the order
Jul 24, 20265 min read
LeetCode Day 4: Two Sum (Brute Force) | Python
In this article, we'll break down the brute-force solution step by step. Problem Statement Given an array of integers nums and an integer target, return the indices of the two numbers such that they
Jul 23, 20264 min read
LeetCode Day 3 – Palindrome Number (Python)
A palindrome number is a number that reads the same forward and backward. Examples Example 1 Input: x = 121 Output: True Because reading 121 from left to right and right to left gives the same number
Jul 22, 20264 min read1
LeetCode Day 2: Merge Two Sorted Lists (Easy) | Python Solution Explained
In this blog, we'll solve the problem step by step, explain why we use a dummy node, and analyze the time and space complexity. Problem Statement You are given the heads of two sorted linked lists. Me
Jul 21, 20263 min read
Day 1 of Solving Leetcode Problems
Remove Duplicates from Sorted Array | Two Pointers Explained (Python) Remove Duplicates from Sorted Array is one of the best problems to understand the Two Pointer technique. At first, I found it conf
Jul 20, 20264 min read