Day 23

day23/part1.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+from functools import reduce
+from tqdm import tqdm
+
+num = [list(map(int, (char for char in x.strip()))) for x in open("input.txt")][0]
+
+for _ in tqdm(range(100)):
+    destination = num[0]
+    while True:
+        destination -= 1
+        if destination == 0:
+            destination = 9
+        if not destination in num[1:4]:
+            break
+    pos = num.index(destination)
+    num = num[4:pos+1] + num[1:4] + num[pos+1:] + num[0:1]
+
+pos = num.index(1)
+print(reduce(lambda a, b: 10*a+b, num[pos+1:] + num[:pos], 0))