[aoc] Add day 6

1 files changed, 9 insertions, 0 deletions

diff --git a/aoc/2021/06/part-one.py b/aoc/2021/06/part-one.py
new file mode 100644
index 0000000..f1ad2fb
--- /dev/null
+++ b/aoc/2021/06/part-one.py
@@ -0,0 +1,9 @@
+from collections import deque
+from sys import stdin
+
+timer = deque([0] * 9)
+for i in map(int, stdin.read().strip().split(',')): timer[i] += 1
+for i in range(80):
+    timer.rotate(-1)
+    timer[6] += timer[-1]
+print(sum(timer))