Web Reference: Minimum Falling Path Sum - Given an n x n array of integers matrix, return the minimum sum of any falling path through matrix. A falling path starts at any element in the first row and chooses the element in the next row that is either directly below or diagonally left/right. For each cell, the minimum path sum to reach it equals its value plus the minimum of the three cells above it that could lead here. By processing rows from top to bottom and only keeping the previous row's values, we achieve O(n) space complexity. The answer is the minimum sum to reach any of the valid previous positions, plus the current cell's value. The beauty of this approach is that we don't need to keep track of the entire path - we only need to know the minimum sums to reach each position in the previous row.
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E002 Minimum Falling Path Sum Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $46M - $66M
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Last Updated: April 10, 2026
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