AdventOfCode/2022/08/a.py

import os, argparse
import numpy as np

def solve_task(lines):
    trees = np.array([[int(c) for c in line] for line in lines])
    visible = np.zeros((len(trees), len(trees[0])))
    #print(visible)
    for r in range(4):
        check_visibility_from_left(np.rot90(trees, r), np.rot90(visible, r))
    print(np.sum(visible))

def flip_y(trees):
    return [reversed(line) for line in trees]

def check_visibility_from_left(trees, visibility):
    for y, line in enumerate(trees):
        tallest_so_far = -1
        for x, tree_height in enumerate([int(c) for c in line]):
            if tree_height > tallest_so_far:
                tallest_so_far = tree_height
                visibility[y, x] = True

def read_lines(filename):
    lines = []
    with open(filename) as infile:
        for raw_line in infile:
            line = raw_line.rstrip()
            lines.append(line)
    return lines

def parse_arguments():
    parser = argparse.ArgumentParser(description="Script that solves the case",epilog="Have a nice day!")
    parser.add_argument('filename', nargs='?', default="example.txt", help='Input file')
    args = parser.parse_args()
    return args

def main():
    args = parse_arguments()
    lines = read_lines(args.filename)
    solve_task(lines)

if __name__ == "__main__":
    main()