problem statement by starting at the top of the triangle below and moving to adjacent numbers on the row below the maximum total from top to bottom is 23 3 7 4 2 4 6 8 5 9 3 that is 3 7 4 9 23 find the maximum total from top to bottom in triangle txt right click and save linktarget as a 15k text file containing a triangle with onehundred rows finds the maximum total in a triangle as described by the problem statement above solution 7273 finds the maximum total in a triangle as described by the problem statement above solution 7273
import os


def solution() -> int:
    
    script_dir = os.path.dirname(os.path.realpath(__file__))
    triangle_path = os.path.join(script_dir, "triangle.txt")

    with open(triangle_path) as in_file:
        triangle = [[int(i) for i in line.split()] for line in in_file]

    while len(triangle) != 1:
        last_row = triangle.pop()
        curr_row = triangle[-1]
        for j in range(len(last_row) - 1):
            curr_row[j] += max(last_row[j], last_row[j + 1])
    return triangle[0][0]


if __name__ == "__main__":
    print(solution())