From bbc46e6d6a559d4b5350fc59103111f9ec724b47 Mon Sep 17 00:00:00 2001
From: kamoshi <18511281+kamoshi@users.noreply.github.com>
Date: Sun, 13 Dec 2020 16:27:44 +0100
Subject: [PATCH] Update day13.py

---
 2020/Python/day13.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/2020/Python/day13.py b/2020/Python/day13.py
index cc6da66..446a6ca 100644
--- a/2020/Python/day13.py
+++ b/2020/Python/day13.py
@@ -23,7 +23,15 @@ def solve_p1(time: int, buses: list[str]) -> int:
 
 
 def solve_p2(buses):
-    pass
+    curr_step = 1
+    result = 1
+    for i in range(len(buses)):
+        if buses[i] == 'x':
+            continue
+        while (result + i) % int(buses[i]) != 0:
+            result += curr_step
+        curr_step *= int(buses[i])
+    return result
 
 
 TIME, BUSES = get_data()