Class Solution

java.lang.Object
g0001_0100.s0064_minimum_path_sum.Solution

public class Solution extends Object
64 - Minimum Path Sum.

Medium

Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right, which minimizes the sum of all numbers along its path.

Note: You can only move either down or right at any point in time.

Example 1:

Input: grid = [[1,3,1],[1,5,1],[4,2,1]]

Output: 7

Explanation: Because the path 1 \u2192 3 \u2192 1 \u2192 1 \u2192 1 minimizes the sum.

Example 2:

Input: grid = [[1,2,3],[4,5,6]]

Output: 12

Constraints:

  • m == grid.length
  • n == grid[i].length
  • 1 <= m, n <= 200
  • 0 <= grid[i][j] <= 100
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • minPathSum

      public int minPathSum(int[][] grid)