blob: eb2685ca6168e2fce5d1d62c1ea0f6ba807ae9bd (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
data = [
[line.strip() for line in dat.split("\n")]
for dat in open("input").read().split("\n\n")
if dat != ""
]
def solve(part):
monkeys = [
{
"items": [],
"op": None,
"divisibility": 1,
"true": 0,
"false": 0,
"inspected": 0,
}
for i in range(len(data))
]
# setup monkeys
for i, block in enumerate(data):
monkeys[i]["items"] = [
int(item) for item in block[1].split(": ")[1].split(", ")
]
monkeys[i]["op"] = block[2].split(": ")[1].replace("new = ", "")
monkeys[i]["divisibility"] = int(block[3].split(" ")[-1])
monkeys[i]["true"] = int(block[4].split(" ")[-1])
monkeys[i]["false"] = int(block[5].split(" ")[-1])
if part == 2:
# evil muhahahaa
common = eval(
"*".join(str(monkey["divisibility"]) for monkey in monkeys)
)
for r in range(20 if part == 1 else 10000):
current = 0
while True: # new round
if current >= len(monkeys):
break
if len(monkeys[current]["items"]) == 0:
current += 1
continue
monkeys[current]["inspected"] += 1
old = monkeys[current]["items"].pop(0)
lvl = eval(monkeys[current]["op"])
lvl = int(lvl / 3) if part == 1 else lvl % common
if lvl % monkeys[current]["divisibility"] == 0:
monkeys[monkeys[current]["true"]]["items"].append(lvl)
else:
monkeys[monkeys[current]["false"]]["items"].append(lvl)
bizz = sorted([monkey["inspected"] for monkey in monkeys])
return bizz[-1] * bizz[-2]
print(f"Part 1: {solve(1)}")
print(f"Part 2: {solve(2)}")
|
