1207. Unique Number of Occurrences | Two Ways

In this video, I'll talk about how to solve Leetcode 1207. Unique Number of Occurrences Checkout DSA-169 Series:    • Aryan DSA-169 Series || Basic to Advanced ...   100Days 100k Placements:    • Playlist   Sol1 - https://leetcode.com/problems/unique-... Sol2 - https://leetcode.com/problems/unique-... Let's Connect: 📝Linkedin:   / aryan-mittal-0077   📸 Instagram:   / ez.pz.dsa   📱Telegram : https://t.me/aryan_mittal_group 🤖 Github: https://github.com/aryan-0077 About Me: I am Aryan Mittal - A Software Engineer in Goldman Sachs, Speaker, Creator & Educator. During my free time, I create programming education content on this channel & also how to use that to grow :) ✨ Timelines✨ 0:00 - Problem Explanation 2:05 - Approach1 - Using HashMap & HashSet 5:02 - Approach2 - No HashMap or HashSet (Counting Sort) ✨ Hashtags ✨ #programming #Interviews #leetcode #faang #maang #datastructures #algorithms

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