From a1e946494bd3096d47cf43cd21260a023c3c7c05 Mon Sep 17 00:00:00 2001
From: Stefan Harmuth <stefan.harmuth@docomodigital.com>
Date: Sun, 6 Dec 2020 08:44:55 +0100
Subject: [PATCH] get rid of numpy makes it >10x faster

---
 day06.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/day06.py b/day06.py
index 0917fc1..9d651a7 100644
--- a/day06.py
+++ b/day06.py
@@ -1,6 +1,4 @@
-#!/usr/bin/env python3
 import aoclib
-import numpy
 
 DAY = 6
 TEST_SOLUTION_PART1 = 11
@@ -37,7 +35,7 @@ def part2(test_mode=False):
         answer_buffer = list(answer_group[0])
         for answer_line in answer_group:
             answer_line = list(answer_line)
-            answer_buffer = list(numpy.intersect1d(answer_buffer, answer_line))
+            answer_buffer = list(set(answer_buffer).intersection(answer_line))
 
         yes_count = yes_count + len(answer_buffer)