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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Cavity Map
  5. Discussions

Cavity Map

  • nsav2820
     + 0 comments

    Python 3

    Isolated the inner grid and then checked with neighbors with inplace replacement in string

    def cavityMap(grid):
    n_row = len(grid)
    n_col = len(grid[0])
    result = grid[:]

    # Define the range for the inner grid
    mr = range(1, n_row - 1)
    mc = range(1, n_col - 1)

    for row in mr:
        for col in mc:
            # Check all neighbors
            if (grid[row][col] > grid[row][col+1] and
                grid[row][col] > grid[row][col-1] and
                grid[row][col] > grid[row-1][col] and
                grid[row][col] > grid[row+1][col]):
                # Modify the result grid
                result[row] = result[row][:col] + "X" + result[row][col+1:]

    return result