day1.py

import collections
# import http.client
#
# conn = http.client.HTTPSConnection('adventofcode.com')
# conn.request('GET', '/2024/day/1/input')
# response = conn.getresponse()
#
# print(response.readlines())

file = open("day1.csv", "r")
list1 = []
list2 = []
for line in file.read().splitlines():
    [s1, s2] = line.split("   ")
    [n1, n2] = [int(s1), int(s2)]
    list1.append(n1)
    list2.append(n2)
list1.sort()
list2.sort()
distance = 0
for i in range(0, len(list1)):
    distance += abs(list1[i] - list2[i])
print(distance)

list2_count = collections.defaultdict(int)
for n in list2:
    if n not in list2_count:
        list2_count[n] = 0
    list2_count[n] += 1

similarity = 0
for n in list1:
    similarity += n * list2_count[n]
print(similarity)