Day 3/21 🔥 Longest Substring Without Repeating Characters | Amazon, Microsoft | Sliding Window скачать в хорошем качестве

Day 3/21 🔥 Longest Substring Without Repeating Characters | Amazon, Microsoft | Sliding Window

21 Days Coding Challenge – Day 3 Problem: Longest Substring With All Distinct Characters In this video, we solve one of the most asked interview questions using the Sliding Window technique. 💡 Problem Statement: Given a string s, find the length of the longest substring with all distinct characters. Example: Input: "geeksforgeeks" Output: 7 Explanation: "eksforg" is the longest substring without repeating characters. 🔥 Asked in: Amazon Microsoft Adobe In this video, we cover: ✅ Brute Force Approach ✅ Optimized Sliding Window Approach (O(n)) ✅ Step-by-step explanation ✅ Clean Java code ✅ Time & Space Complexity discussion ⏱ Time Complexity: O(n) 📦 Space Complexity: O(1) (using character frequency array) This is a very important Sliding Window pattern for coding interviews. Comment "DAY 3 DONE" after watching 🔥 Subscribe for Day 4 of the challenge! #SlidingWindow #AmazonInterview #MicrosoftInterview #DSA #Java #21DaysChallenge