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Grokking the Coding Interview Patterns in C#

Solution: Minimum Path Sum

Explore a dynamic programming approach to find the minimum path sum in a grid by moving only right or down. Understand how to update the grid in place to optimize space while computing the minimal path sum efficiently.

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Statement

You are given an m × n grid containing non-negative integers. Your task is to find a path from the top-left cell to the bottom-right cell that minimizes the sum of the values along the path. At each step, you may move only right or down.

Constraints:

  • m == grid.length

  • n == grid[i].length ...