Untitled notebook

Section

defmodule Aoc2024.Day4 do
  def find_word_count(grid, word) do
    for row <- (0..length(grid) - 1) do
      for col <- (0..length(Enum.at(grid, 0)) - 1) do
        IO.inspect("checking #{word} at #{row}, #{col}")
      end
    end
  end

  def search_at(grid, word, row, col) do
    # row_delta, col_delta
    directions = [
      {0, 1}, # search right
      {0, -1}, # search left
      {1, 0}, # search down
      {-1, 0}, # search up
      {1, 1}, #diag down right
      {-1, 1}, #diag down left
      {-1, 1}, #diag up right
      {-1, -1}, #diag up left
    
    ]
  end
end 

input = "MMMSXXMASM
MSAMXMSMSA
AMXSXMAAMM
MSAMASMSMX
XMASAMXAMM
XXAMMXXAMA
SMSMSASXSS
SAXAMASAAA
MAMMMXMMMM
MXMXAXMASX"

grid = input
|> String.split("\r\n", trim: true)
|> Stream.map(&String.graphemes()/1)
|> Enum.to_list()


row_count = length(grid)
col_count = length(Enum.at(grid, 0))
search_word = "XMAS"

Aoc2024.Day4.find_word_count(grid, search_word)