Maximum Length of a Concatenated String with Unique Characters | Using Bit Magic | Leetcode 1239
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This is the 10th Video of our Playlist "Bit Manipulation : Popular Interview Problems".
In this video we will try to solve a very good problem using Bit magic and DFS - Maximum Length of a Concatenated String with Unique Characters (Leetcode 1239)
I have also made a video on Recursive Approach - https://youtu.be/MqMvkrkerIY?si=_sHMSLo6B_wW4VXt
I will explain the intuition so easily that you will never forget and start seeing this as cakewalk EASYYY.
We will do live coding after explanation and see if we are able to pass all the test cases.
Also, please note that my Github solution link below contains both C++ as well as JAVA code.
Problem Name : Maximum Length of a Concatenated String with Unique Characters (Leetcode 1239)
Company Tags : AMAZON
My solutions on Github(C++ & JAVA) : https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Bit_Magic/Maximum%20Length%20of%20a%20Concatenated%20String%20with%20Unique%20Characters.cpp
Leetcode Link : https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters
My DP Concepts Playlist : https://youtu.be/7eLMOE1jnls
My Graph Concepts Playlist : https://youtu.be/5JGiZnr6B5w
My GitHub Repo for interview preparation : https://github.com/MAZHARMIK/Interview_DS_Algo
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Approach Summary : The approach involves converting each string into a binary representation, where each bit corresponds to the presence of a unique character in the string. The algorithm uses a depth-first search (DFS) to explore all possible concatenation combinations while ensuring that no common characters exist in the concatenated strings. The result is the maximum length of such a concatenation. The main function maxLength initializes a vector uniqueCharStrings to store the binary representations of unique character strings and then invokes the DFS function to compute the maximum length. The result is returned as the final output.
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✨ Timelines✨
00:00 - Introduction
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