Difficulty: EasyLeetCode Problem #13 Whether you're prepping for coding interviews or brushing up your algorithm skills, converting Roman numerals to integers is a classic problem worth mastering. Let's walk through the logic, break it down step-by-s...
LeetCode's Palindrome Number Problem Ever wondered if a number reads the same forwards and backward? That's the essence of a palindrome! Today, we're going to tackle a classic coding challenge that popped up on our screen: LeetCode's "9. Palindrome N...
One of the classic coding interview questions is the Reverse Integer problem. It's a great problem to practice integer manipulation and boundary checking. 🧩 Problem Statement Given a signed 32-bit integer x, return x with its digits reversed.If re...
🧩 Two Sum – Explained simply 🚀 Difficulty: Easy | 💼 Asked in Many Interviews 📘 The Problem (from LeetCode) Given an array of integers nums and an integer target, return the indices of the two numbers such that they add up to target. You must: ...
❓ The Problem You’re given an array of coin denominations (e.g. [1, 2, 5])and a target amount (e.g. 11).Return the minimum number of coins needed to make up that amount.If it's not possible, return -1. 🎯 What You’re Really Being Asked Find the s...
Introduction: Welcome back to my "Mastering DSA with LeetCode" series! Today, we're tackling one of the most famous and fundamental interview questions out there: "Two Sum" (LeetCode #1). If you're starting your DSA journey, this problem is a must-so...
🧠 Problem Statement Given an array of strings, group the anagrams together. Return the grouped anagrams as a list of lists. 📎 Leetcode Link Group Anagrams – Leetcode #49 💡 Intuition Anagrams share the same characters. If you sort their letter...
🧠 Problem Statement Given two strings s and t, return true if t is an anagram of s, and false otherwise.An anagram uses the same characters and the same frequency, but in any order. 🔗 Leetcode Link Valid Anagram – LC #242 💥 Brute Force // gen...
