LeetCode 2264 | Largest 3-Same-Digit Number in String | Python One-Pass Scan | AlgoYogi

Welcome to AlgoYogi! 🚀 Start Your Smart Coding Prep at 👉 https://algoyogi.io We solve LeetCode 2264: Largest 3-Same-Digit Number in String using a simple one-pass scan. Goal: find the maximum valued substring of length 3 made of the same digit. If none exists, return an empty string. Approach: - Walk the string once while tracking the current run length of the same digit. - Each time a run reaches length 3, record the digit as a candidate. - Keep the largest digit seen among such triples and return that digit repeated three times. - If no triple is found, return an empty string. 👉 Problem Link: https://leetcode.com/problems/largest-3-same-digit-number-in-string/description/ --- ### ⏱ Timestamps 0:00 Introduction 0:20 Problem Statement 1:50 One-Pass Run-Length Approach 6:00 Python Code Walkthrough 8:30 Time and Space Complexity --- ### 💡 Why Watch? - Clean linear scan, constant space - Handles overlapping runs naturally - Interview-friendly string pattern technique #LeetCode #LargestThreeSameDigit #Python #AlgoYogi #StringScan