Pascal Lais
9b8178438a
All checks were successful
continuous-integration/drone/push Build is passing
56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
#!/usr/bin/env python3
|
|
from pathlib import Path
|
|
|
|
|
|
def part_1(input):
|
|
result = 0
|
|
_, y = input[0].rstrip().replace('target area: ', '').replace(
|
|
'x=', '').replace('y=', '').split(', ')
|
|
y_min, y_max = [int(c) for c in y.split('..')]
|
|
max_valid_height = 0
|
|
for vy_0 in range(-y_min):
|
|
vy = vy_0
|
|
y_pos = 0
|
|
max_height = 0
|
|
while y_pos > y_min:
|
|
y_pos += vy
|
|
max_height = max(max_height, y_pos)
|
|
vy -= 1
|
|
if y_min <= y_pos <= y_max:
|
|
max_valid_height = max(max_valid_height, max_height)
|
|
result = max_valid_height
|
|
print("Part 1 result:", result)
|
|
|
|
|
|
def part_2(input):
|
|
result = 0
|
|
x, y = input[0].rstrip().replace('target area: ', '').replace(
|
|
'x=', '').replace('y=', '').split(', ')
|
|
x_min, x_max = [int(c) for c in x.split('..')]
|
|
y_min, y_max = [int(c) for c in y.split('..')]
|
|
for vx_0 in range(x_max):
|
|
for vy_0 in range(y_min, -y_min):
|
|
vx = vx_0
|
|
vy = vy_0
|
|
x_pos = 0
|
|
y_pos = 0
|
|
while x_pos < x_max and y_pos > y_min:
|
|
x_pos += vx
|
|
y_pos += vy
|
|
if vx != 0:
|
|
vx -= 1
|
|
vy -= 1
|
|
if x_min <= x_pos <= x_max and \
|
|
y_min <= y_pos <= y_max:
|
|
result += 1
|
|
break
|
|
print("Part 2 result:", result)
|
|
|
|
|
|
input = list()
|
|
p = Path(__file__).with_name('input.txt')
|
|
with open(p) as f:
|
|
input = f.readlines()
|
|
part_1(input)
|
|
part_2(input)
|