First Unique Character in a String in Telugu | Leetcode Q387 | Brute Force & Optimal | srkcodes
5In this video, we solve the Leetcode problem "First Unique Character in a String" (Question #387). We'll explore two approaches to find the index of the first non-repeating character:
1️ ⃣ Brute Force Solution using nested iteration
2️ ⃣ Optimal Solution using a frequency map (dictionary)
This tutorial features clear Python code examples and simple explanations in Telugu, making it beginner-friendly. By the end, you'll understand both methods to solve this problem efficiently and be better prepared for DSA interviews.
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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡https://leetcode.com/problems/count-the-number-of-vowel-strings-in-range/description/t...
📚 Stringshttps://www.geeksforgeeks.org/string-data-structure/ng-...
💡 LeetCode - String Problhttps://leetcode.com/discuss/interview-question/2001789/collections-of-important-string-questions-patternervie...