blablacar_test

blablacar.txt

5 5
1 2 N
LFLFLFLFF
3 3 E
FFRFFRFRRF

blablacartest.py

lines = []
with open('blablacar.txt') as file:
    lines = [l.rstrip('\n') for l in file]


def change_direction(mwr,i):
    if mwr[2] == 'N':
        mwr[2] = 'E' if (i == 'R') else 'W'
    elif mwr[2] == 'E':
        mwr[2] = 'S' if (i == 'R') else 'N'
    elif mwr[2] == 'W':
        mwr[2] = 'N' if (i == 'R') else 'S'
    elif mwr[2] == 'S':
        mwr[2] = 'W' if (i == 'R') else 'E'


def move(mwr, size):
    z = mwr[2]
    if z == 'N':
        if mwr[1] < size[1]:
            mwr[1] += 1
    elif z == 'E':
        if mwr[0] < size[0]:
            mwr[0] += 1
    elif z == 'W':
        if mwr[0] > 0:
            mwr[0] -= 1
    elif z == 'S':
        if mwr[1] > 0:
            mwr[1] -= 1


def update_coordinates(mwrs, num, grid_size):
    # TODO copy mwrs here and compare after for validation
    for m in mwrs:

        if len(m[1]) > num:
            action = m[1][num]
            if action == 'R' or action == 'L':
                change_direction(m[0],action)
            elif action == 'F':
                move(m[0], grid_size)


x, y = lines[0].split(' ')
grid_size = (int(x), int(y))
coordinates = []

for l in lines[1::2]:
    e1, e2, e3 = l.split(' ')
    coordinates.append([int(e1), int(e2), e3])

actions = lines[2::2]

mowers = list(zip(coordinates,actions))
max_num_action = len(max(actions,key=len))


step = 0
while step <= max_num_action:
    update_coordinates(mowers, step, grid_size)
    step += 1

print(coordinates)