Advent-of-Code/2021/9/main.py

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2021-12-09 16:53:29 -05:00
data = []
with open('data', 'r') as fp:
# NOTE(dev): We assume all lines are the same length
for line in fp:
data_line = []
for ch in line.strip():
data_line.append(int(ch))
data.append(data_line)
total = 0
for y in range(0, len(data)):
for x in range(0, len(data[y])):
sub_total = 0
all_four = 0
# above
if(y > 0):
if(data[y-1][x] > data[y][x]):
all_four += 1
else:
all_four += 1 # skip
# below
if(y < len(data) - 1):
if(data[y+1][x] > data[y][x]):
all_four += 1
else:
all_four += 1 #skip
# left
if(x > 0):
if(data[y][x-1] > data[y][x]):
all_four += 1
else:
all_four += 1 #skip
# right
if(x < len(data[y]) - 1):
if(data[y][x+1] > data[y][x]):
all_four += 1
else:
all_four += 1 #skip
if(all_four == 4):
total += data[y][x] + 1
print(total)