dp大法好 class Solution: def minPathSum(self , matrix ): # write code here n = len(matrix) m = len(matrix[0]) dp = [[-1 for i in range(m)]for i in range(n)] dp[0][0]=matrix[0][0] for i in range(1,n): dp[i][0] = dp[i-1][0]+matrix[i][0] ...