<ul><li>The hourglass sum problem involves finding the maximum "hourglass" sum in a 2D matrix.</li><li>The goal is to calculate the sum of all elements in every possible hourglass and return the maximum sum.</li><li>This problem is often used to test proficiency in array manipulation, nested loops, and problem-solving skills in coding interviews.</li><li>The algorithm iterates through all valid hourglass positions, calculates the sum, and keeps track of the maximum sum encountered.</li></ul>

Demystifying Algorithms: The Hourglass Sum Problem

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