day13p1

day13/day13.py

@@ -0,0 +1,32 @@
+import sys
+
+
+def part1():
+    file = open("input.txt")
+    lines = [i.strip() for i in file.readlines()]
+
+    timestamp = int(lines[0])
+    busses = lines[1].split(',')
+    busses = [a for a in busses if a != 'x']
+    busses = [int(i) for i in busses]
+
+    min_time = sys.maxsize
+    min_busid = 0
+    for bus in busses:
+        value = bus - timestamp % bus
+        if value < min_time:
+            min_time = value
+            min_busid = bus
+
+    mini = min_time * min_busid
+
+    print(f"Part 1: {mini}")
+
+
+def part2():
+    pass
+
+
+if __name__ == "__main__":
+    part1()
+    part2()

day13/input.txt

@@ -0,0 +1,2 @@
+1001171
+17,x,x,x,x,x,x,41,x,x,x,37,x,x,x,x,x,367,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,19,x,x,x,23,x,x,x,x,x,29,x,613,x,x,x,x,x,x,x,x,x,x,x,x,13