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Missing Number | Multiple Approaches | Leetcode 268

Whatsapp Community Link : https://www.whatsapp.com/channel/0029... This is the 22nd Video of our Playlist "Leetcode Easy". We will be solving "Missing Number | Leetcode 268" using multiple approaches. Problem Name : Power of Two | Leetcode 231 Company Tags : Facebook, Bloomberg, Accolite, Adobe and many more My solutions on Github : https://github.com/MAZHARMIK/Intervie... Leetcode Link : https://leetcode.com/problems/missing... Approach Summary : XOR Approach: Time Complexity (T.C): O(n) Space Complexity (S.C): O(1) The XOR approach leverages the bitwise XOR operation to find the missing number in an array. It exploits the property that XOR of a number with itself is 0, allowing the algorithm to efficiently determine the missing number. Math Approach: Time Complexity (T.C): O(n) Space Complexity (S.C): O(1) This approach uses the sum formula for consecutive integers (n * (n + 1) / 2) to calculate the expected sum of the array elements. By subtracting the actual sum of the array from the expected sum, the missing number is identified. Binary Search Approach: Time Complexity (T.C): O(nlogn) Space Complexity (S.C): O(1) The binary search approach assumes a sorted array and utilizes binary search to find the first element where the value is greater than its index. This indicates the presence of a missing number, and the algorithm adjusts the search accordingly. My Recursion Concepts Playlist :    • Introduction | Recursion Concepts And...   My DP Concepts Playlist :    • Roadmap for DP | How to Start DP ? | ...   My Graph Concepts Playlist :    • Graph Concepts & Qns - 1 : Graph will...   My GitHub Repo for interview preparation : https://github.com/MAZHARMIK/Intervie... Subscribe to my channel :    / @codestorywithmik   Instagram :   / codestorywithmik   Facebook :   / 100090524295846   Twitter :   / cswithmik   ╔═╦╗╔╦╗╔═╦═╦╦╦╦╗╔═╗ ║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣ ╠╗║╚╝║║╠╗║╚╣║║║║║═╣ ╚═╩══╩═╩═╩═╩╝╚╩═╩═╝ Timelines : ⏰ 00:00 - Problem Explanation 03:02 - Approach 1 04:34 - Approach 2 11:09 - Approach 3 21:33 - Coding all of them #coding #helpajobseeker #easyrecipes #leetcode #leetcodequestionandanswers #leetcodesolution #leetcodedailychallenge #leetcodequestions #leetcodechallenge #hindi #india #coding #helpajobseeker #easyrecipes #leetcode #leetcodequestionandanswers #leetcodesolution #leetcodedailychallenge#leetcodequestions #leetcodechallenge #hindi #india #hindiexplanation #hindiexplained #easyexplaination #interview#interviewtips #interviewpreparation #interview_ds_algo #hinglish #github #design #data #google #video #instagram #facebook #leetcode #computerscience #leetcodesolutions #leetcodequestionandanswers #code #learning #dsalgo #dsa #2024 #newyear