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13.py
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13.py
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import functools
lines = open("input.txt","r").read().split("\n")
def compare(a,b):
global count
if isinstance(a,list) and len(a) == 0:
return 1
if isinstance(b,list) and len(b) == 0:
return -1
if isinstance(a,int) and isinstance(b,int):
if a < b:
return 1
elif a == b:
return
else:
return -1
if isinstance(a,list) and isinstance(b,int):
b = [b]
if isinstance(a,int) and isinstance(b,list):
a = [a]
if isinstance(a,list) and isinstance(b,list):
for i in range(max(len(a), len(b))):
if i == len(a):
return 1
elif i == len(b):
return -1
res = compare(a[i],b[i])
if res != None:
if res == 1:
return 1
else:
return -1
count = 0
for j,i in enumerate(range(0,len(lines),3)):
first = eval(lines[i])
second = eval(lines[i+1])
if compare(first, second) == 1:
count += j+1
print(f"Part 1: {count}")
count = 0
lines = [eval(x) for x in lines if x != '']
lines.append([[2]])
lines.append([[6]])
lines.sort(key=functools.cmp_to_key(compare), reverse=True)
print(f"Part 2: {(lines.index([[2]])+1) * (lines.index([[6]])+1)}")