diff options
Diffstat (limited to 'challenge-151/lubos-kolouch/python')
| -rw-r--r-- | challenge-151/lubos-kolouch/python/ch-1.py | 30 | ||||
| -rw-r--r-- | challenge-151/lubos-kolouch/python/ch-2.py | 26 |
2 files changed, 56 insertions, 0 deletions
diff --git a/challenge-151/lubos-kolouch/python/ch-1.py b/challenge-151/lubos-kolouch/python/ch-1.py new file mode 100644 index 0000000000..fd34a05784 --- /dev/null +++ b/challenge-151/lubos-kolouch/python/ch-1.py @@ -0,0 +1,30 @@ +import re + + +def get_min_depth(input: str): + """Calculate the depth""" + # Input: '1 | 2 3 | 4 5' + + # iterate through the layers. If the next layer does not have 2^n items, + # there must be a leaf node + + input = re.sub(r"\s", "", input) + layers = input.split("|") + + for layer_count, _ in enumerate(layers, 1): + # if not defined means we are at the last layer + + try: + items_count = len(layers[layer_count]) + except IndexError: + return layer_count + + if items_count != 2**layer_count: + return layer_count + + return None + + +assert get_min_depth("1 | 2 3 | 4 5") == 2 +assert get_min_depth("1 | 2 3 | 4 * * 5 | * 6") == 3 +assert get_min_depth("1 | 2 3") == 2 diff --git a/challenge-151/lubos-kolouch/python/ch-2.py b/challenge-151/lubos-kolouch/python/ch-2.py new file mode 100644 index 0000000000..d71588785d --- /dev/null +++ b/challenge-151/lubos-kolouch/python/ch-2.py @@ -0,0 +1,26 @@ +cache = {} + + +def get_houses_max(houses: list): + """Calculate the best way through the houses""" + + try: + return cache[",".join(map(str, houses))] + except KeyError: + pass + + max_value = 0 + house_index = 0 + + for house_index, _ in enumerate(houses[2:]): + next_houses_values = get_houses_max(houses[2 + house_index :]) + if next_houses_values > max_value: + max_value = next_houses_values + + cache[",".join(map(str, houses))] = houses[0] + max_value + return houses[0] + max_value + + +assert get_houses_max([2, 4, 5]) == 7 +cache = {} +assert get_houses_max([4, 2, 3, 6, 5, 3]) == 13 |
