From 4678f229635f26d693382dfe3aff921a494d0e68 Mon Sep 17 00:00:00 2001
From: Nick Thomas <me@ur.gs>
Date: Sat, 3 Dec 2022 09:10:39 +0000
Subject: [PATCH] 2022 day 3

---
 2022/03/input | 300 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2022/03/part1 |  25 +++++
 2022/03/part2 |  26 +++++
 3 files changed, 351 insertions(+)
 create mode 100644 2022/03/input
 create mode 100755 2022/03/part1
 create mode 100755 2022/03/part2

diff --git a/2022/03/input b/2022/03/input
new file mode 100644
index 0000000..712656e
--- /dev/null
+++ b/2022/03/input
@@ -0,0 +1,300 @@
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diff --git a/2022/03/part1 b/2022/03/part1
new file mode 100755
index 0000000..631cb6d
--- /dev/null
+++ b/2022/03/part1
@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+
+VALS = {}
+
+for i in range(ord('a'), ord('z')+1):
+    VALS[chr(i)] = i - ord('a') + 1
+
+for i in range(ord('A'), ord('Z')+1):
+    VALS[chr(i)] = i - ord('A') + 27
+
+score = 0
+
+with open('input') as f:
+    for line in f:
+        line = line.rstrip()
+        half = len(line)//2
+        compA = line[0:half]
+        compB = line[half:len(line)]
+        common = set(compA) & set(compB)
+
+        score = score + VALS[common.pop()]
+
+print(score)
+
+
diff --git a/2022/03/part2 b/2022/03/part2
new file mode 100755
index 0000000..949a777
--- /dev/null
+++ b/2022/03/part2
@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+import itertools
+
+VALS = {}
+
+for i in range(ord('a'), ord('z')+1):
+    VALS[chr(i)] = i - ord('a') + 1
+
+for i in range(ord('A'), ord('Z')+1):
+    VALS[chr(i)] = i - ord('A') + 27
+
+score = 0
+
+with open('input') as f:
+    for elfA,elfB,elfC in itertools.zip_longest(*[f]*3):
+        elfA = elfA.rstrip()
+        elfB = elfB.rstrip()
+        elfC = elfC.rstrip()
+
+        common = set(elfA) & set(elfB) & set(elfC)
+
+        score = score + VALS[common.pop()]
+
+print(score)
+
+