How To Find The Maximal Subarray Having Distinct Elements
A simple C++ solution to Leetcode 1695. Maximum Erasure Value using a sliding window approach and prefix sums.
Jan 9, 20242 min read267
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How to Check If a Number is a Power of Four
The math behind Leetcode 342. Power of Four.
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How to Perform a Counting Using Array and Hash Table
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462. Minimum Moves to Equal Array Elements II
Median and std::nth_element
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1647. Minimum Deletions to Make Character Frequencies Unique
Problem statement A string s is called good if there are no two different characters in s that have the same frequency. Given a string s, return the minimum number of characters you need to delete to make s good. The frequency of a character in a str...
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1710. Maximum Units on a Truck
How to compare vectors
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