def task_1(raw_data):
data = list(utils.parse_int_data(raw_data))
freqs = get_difference_frequency(data)
prod_1x3 = freqs[1] * freqs[3]
print("Joltage differences: ", freqs)
print(f"Product of 1 and 3 differences: {prod_1x3}")
return prod_1x3
def test_add_number(example_lut_5, n, expected):
data = parse_int_data(EXAMPLE_DATA)
nn = NumberList(data, 5)
nn.sums = example_lut_5
nn._add_number(n)
for i, line_num in enumerate(nn.sums):
for j, sum_val in enumerate(line_num):
assert expected[i][j] == sum_val
def task_2(raw_data):
data = list(utils.parse_int_data(raw_data))
tgt = max(data) + 3
data += [tgt]
data.sort()
scores = defaultdict(int)
scores[0] = 1
for d in data:
scores[d] = scores[d - 3] + scores[d - 2] + scores[d - 1]
print(f"Total number of valid arrangements is {scores[data[-1]]}")
def test_has_sum(example_lut_5, n, expected):
data = parse_int_data(EXAMPLE_DATA)
nn = NumberList(data, 5)
nn.sums = example_lut_5
assert nn._has_sum(n) is expected
def test_sum_lut_initialisation(size, expected):
data = parse_int_data(EXAMPLE_DATA)
nn = NumberList(data, size)
for i, line_num in enumerate(nn.sums):
for j, sum_val in enumerate(line_num):
assert expected[i][j] == sum_val
def test_is_possible_limits(min_num, max_num, x, expected):
data = parse_int_data(EXAMPLE_DATA)
nn = NumberList(data, 5)
nn.current_min = min_num
nn.current_max = max_num
assert nn._is_possible_with_limits(x) is expected
def test_get_diff_freq(raw_data, expected_freq_1, expected_freq_3):
data = list(utils.parse_int_data(raw_data))
freq = get_difference_frequency(data)
assert freq[1] == expected_freq_1
assert freq[3] == expected_freq_3
def task_2(raw_data, target):
data = utils.parse_int_data(raw_data)
cs = ConsecutiveSum(data, target)
return cs.run()
def task_1(raw_data, preamble_length):
data = utils.parse_int_data(raw_data)
nn = NumberList(data, preamble_length)
return nn.run()