def main():
input_data = get_input_data(3)
n_trees = count_trees_in_path(input_data)
logger.info(f'Solution 3a: {n_trees}')
n_trees_list = [count_trees_in_path(input_data, x, y) for x, y in SLOPE_INCREMENTS]
n_trees_product = multiply(n_trees_list)
logger.info(f'Solution 3b: {n_trees_product}')
def testMultiply(self):
nonechk = True
self.result = math.multiply(10, 9)
if self.result > 100:
nonechk = None
# 결과 값이 None 여부 확인
self.assertIsNone(nonechk)
def multiply_corner_tile_ids():
tiled_image = parse_tiled_image()
high = sqrt(len(tiled_image)) - 1
return multiply([
tiled_image[0, 0].id,
tiled_image[0, high].id,
tiled_image[high, 0].id,
tiled_image[high, high].id
])
infile = open('day1-input', 'r')
# our report is a list of all of the numbers in the file, with line breaks removed
report = [int(line.strip()) for line in infile]
infile.close()
# part 1
# I iterate through the cartesian product of the report with itself,
# which is to say, I iterate through every possible pairing of a number
# another in the report, and check that they sum to 2020, if so, return
# their (arithmetic) product and exit the loop
for pair in product(report, repeat = 2):
if sum(pair) == 2020:
print(multiply(pair))
break
# part 2
# same as part 1 but with 3 copies of report
for trio in product(report, repeat = 3):
if sum(trio) == 2020:
print(multiply(trio))
break
# for fun, here's a function that'll do the above for any number of elements n
def tuple_sum_to(l: Iterable, n: int, target) -> Union[tuple, None]:
for t in product(l, repeat = n):
if sum(t) == target:
return t
def rod_weight():
math.multiply(float(rod_mass * g))
return value
def multiply_corner_tile_ids(): tiles = list(parse_tiles(input_)) matched = get_matched_tiles(tiles) assert len(matched[N_CORNER]) == 4 return multiply(tile.id for tile, _ in matched[N_CORNER])
def attributeBreak():
import math
math.multiply(4,5)
j -= 1 # subtract something
elif current < goal:
i += 1 # add something
else:
break
if j < 0 or i >= len(input):
raise Exception()
return input[i], input[j]
def sum_three(goal):
""" finds three numbers in the input
that are equal to the goal when summed.
"""
for number in input:
sub_goal = goal - number
try:
a, b = sum_two(sub_goal)
except:
continue
return number, a, b
raise Exception()
solve_1 = lambda: multiply(sum_two(2020))
solve_2 = lambda: multiply(sum_three(2020))
def test_multiply0(self):
self.assertEqual(multiply(3,5), 15)
def test_numbers_3_4(self):
self.assertEqual(multiply(3, 4), 12)
def test_strings_a_3(self):
self.assertEqual(multiply('a', 3), 'aaa')
