AoC 2024!!! And what if I get past day 2 this year

Author: m4xic

.gitignore

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+*/input
+*/test-input

01/01a.py

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+with open('input', 'r') as f:
+    lines = f.readlines()
+
+left, right = [], []
+
+for line in lines:
+    l, r = line.split()
+    left.append(int(l))
+    right.append(int(r))
+
+left.sort()
+right.sort()
+
+if len(left) != len(right): print('fail')
+else:
+    diff = 0
+    for i in range(len(left)): diff += abs(left[i] - right[i])
+    print(diff)

01/01b.py

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+with open('input', 'r') as f:
+    lines = f.readlines()
+
+left, right = [], []
+
+for line in lines:
+    l, r = line.split()
+    left.append(int(l))
+    right.append(int(r))
+
+right2 = {}
+for r_item in right:
+    if r_item in right2.keys(): right2[r_item] += 1
+    else: right2[r_item] = 1
+
+print(right2)
+
+similarity = 0
+for l_item in left:
+    if l_item in right2.keys():
+        similarity += (l_item * right2[l_item])
+
+print(similarity)