AoC 2024 Day 1

2024/01/01.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+INPUT_FILE = 'input.txt'
+
+def main():
+    left, right = [], []
+    contents = open(INPUT_FILE, 'r').readlines()
+    for line in contents:
+        fields = line.split(' ')
+        left.append(int(fields[0]))
+        right.append(int(fields[-1]))
+    left.sort()
+    right.sort()
+    diff_sum = 0
+    for pair in list(zip(left, right)):
+        diff_sum += abs(pair[0] - pair[1])
+    print(diff_sum)
+
+
+if __name__ == '__main__':
+    main()

2024/01/02.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+
+INPUT_FILE = 'input.txt'
+
+def main():
+    left, right = [], []
+    contents = open(INPUT_FILE, 'r').readlines()
+    for line in contents:
+        fields = line.split(' ')
+        left.append(int(fields[0]))
+        right.append(int(fields[-1]))
+    similarity = 0
+    for id in left:
+        similarity += id * right.count(id)
+    print(similarity)
+
+
+if __name__ == '__main__':
+    main()