3033. 修改矩阵

修改矩阵

• 难度: easy
• 原始链接: https://leetcode.cn/problems/modify-the-matrix
• 标签: 循环

解法一: 循环

go

func modifiedMatrix(matrix [][]int) [][]int {
  m := len(matrix)
  n := len(matrix[0])
  for c := 0; c < n; c++ {
    curMax := -1
    for r := 0; r < m; r++ {
      curMax = max(curMax, matrix[r][c])
    }
    for r := 0; r < m; r++ {
      if matrix[r][c] == -1 {
        matrix[r][c] = curMax
      }
    }
  }
  return matrix
}