48 lines
834 B
Python
48 lines
834 B
Python
|
#!/usr/bin/env python3
|
||
|
|
||
|
import sys
|
||
|
|
||
|
input_file = sys.argv[1]
|
||
|
|
||
|
with open(input_file) as fd:
|
||
|
lines = [line.rstrip() for line in fd.readlines()]
|
||
|
|
||
|
height = len(lines)
|
||
|
width = len(lines[0])
|
||
|
|
||
|
for i in range(height):
|
||
|
if "^" in lines[i]:
|
||
|
j = lines[i].index("^")
|
||
|
break
|
||
|
|
||
|
d = 0
|
||
|
directions = [
|
||
|
(-1, 0), # ^
|
||
|
(0, 1), # >
|
||
|
(1, 0), # v
|
||
|
(0, -1), # <
|
||
|
]
|
||
|
|
||
|
vis = [[False] * width for h in range(height)]
|
||
|
|
||
|
while True:
|
||
|
print(i, j)
|
||
|
vis[i][j] = True
|
||
|
ii, jj = i + directions[d][0], j + directions[d][1]
|
||
|
if ii not in range(height) or jj not in range(width):
|
||
|
break
|
||
|
if lines[ii][jj] == "#":
|
||
|
d += 1
|
||
|
d %= len(directions)
|
||
|
continue
|
||
|
i, j = ii, jj
|
||
|
|
||
|
count = 0
|
||
|
for i in range(height):
|
||
|
for j in range(width):
|
||
|
if vis[i][j]:
|
||
|
count += 1
|
||
|
print(count)
|
||
|
|
||
|
|