Update: 0169-majority-element.cpp

[kd10041]

Updated the previous solution (use of hashmaps) to a more optimized Boyer Moore algorithm as explained in the Neetcode's Video Tutorial

• File(s) Modified: 0169-majority-element.cpp
• Language(s) Used: C++
• Submission URL: https://leetcode.com/problems/majority-element/submissions/955394555/

Important

Please make sure the file name is lowercase and a duplicate file does not already exist before merging.