The N Meetings in One Room problem is a classic example of the Greedy Algorithm. It focuses on scheduling tasks…
The Lemonade Change problem is a very popular coding interview question and a classic example of applying the Greedy Algorithm.…
The Minimum Number of Coins problem is a classic Greedy Algorithm example. It is frequently asked in coding interviews and…
The Fractional Knapsack problem is one of the most famous problems in the Greedy Algorithm category. It is widely asked…
When preparing for coding interviews, one of the common patterns you’ll come across is the Greedy Algorithm. A great example…
The problem “Maximum Points You Can Obtain from Cards” asks you to pick exactly k cards from either the start or the end of the array cardPoints to maximize the total points. The key insight is that if…
The problem “Number of Substrings Containing All Three Characters” asks: given a string s consisting only of the characters ‘a’, ‘b’, and ‘c’, count how many substrings contain at least one of each of…
The problem “Count Number of Nice Subarrays” asks: given an integer array nums and an integer k, count the number of contiguous subarrays that contain exactly k odd…
The problem “Binary Subarrays With Sum” asks to count the number of contiguous subarrays in a binary array nums whose sum equals a given goal.…
The problem “Longest Repeating Character Replacement” asks for the length of the longest substring that can be converted into a string of…