The LeetCode 17 solution, which tackles the “Letter Combination of a Phone Number” problem, is a popular challenge that tests both beginners and experienced coders. In this blog post, we will break down the solution step-by-step, making the process easy to understand and implement. Whether you’re new to coding or seeking a more efficient approach, this guide will walk you...
When tackling coding challenges like LeetCode’s “Roman to Integer” problem (LeetCode 13), it’s essential to not only solve the problem but also understand the process behind it. In this post, we will walk through a complete LeetCode 13 solution with clear explanations. The goal is to convert a Roman numeral into an integer, using Python. Roman Numerals: What You Need to Know Roman...
LeetCode 12 Solution presents one of the most interesting challenges by requiring the conversion of integers into Roman numerals. While the Roman numeral system may seem ancient, it offers a fascinating way to sharpen your algorithmic skills through its unique rules for converting numbers. The problem asks us to take an integer and convert it into its corresponding Roman numeral using a...
LeetCode #3 Solution – Longest Substring Without Repeating Characters: The challenge is to find the length of the longest substring in a given string s that contains no repeating characters. A substring is a contiguous sequence of characters within a string. Examples: Input: s = “abcabcbb”Output: 3Explanation: The longest substring without repeating characters is...
Problem: 1 two sum Leetcode #1 solution – Two Sum: Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not use the same element twice. You can return the answer in any order. Examples: Input: nums = [2...
Hi, I’m Peter, a professional developer with over 25 years of experience. My journey with coding started when I was just a kid, exploring the world of programming and building my first projects out of pure curiosity and passion. Since then, I’ve turned this lifelong passion into a rewarding career, working on a wide range of projects, from small scripts to complex applications.
Now, I’m here to help others get started with coding through this blog. I know that learning to code can feel overwhelming at first, but I believe that with the right guidance, anyone can develop the skills they need to become a proficient programmer. My goal is to simplify the learning process and provide step-by-step resources that make coding accessible, fun, and practical for everyone.
Whether you’re just starting out or looking to sharpen your skills, I hope this blog serves as a valuable resource on your coding journey. Let’s dive into Python together!