Advent of Code 2020

Language: Python

My personal leaderboard statistics:

      -------Part 1--------   --------Part 2--------
Day       Time  Rank  Score       Time   Rank  Score
 25   00:23:11  1761      0       >24h   9399      0
 24   00:24:34  1439      0   01:37:45   2591      0
 23   01:02:24  2565      0       >24h  12155      0
 22   00:10:25  1171      0   00:41:15    918      0
 21   07:29:01  7204      0   07:36:35   6911      0
 20   00:38:25   802      0   05:56:13   1728      0
 19   00:35:33   835      0   01:45:28   1464      0
 18   01:23:33  4086      0   05:58:27   7845      0
 17   01:18:12  3337      0   01:29:43   3132      0
 16   00:12:38   757      0   00:57:01   1681      0
 15   00:19:38  1999      0   00:24:40   1346      0
 14   00:18:20  1262      0   08:48:47  12360      0
 13   00:07:45   985      0   01:56:07   3095      0
 12   00:22:21  3172      0   00:48:15   3113      0
 11   00:33:11  2695      0   00:51:46   2352      0
 10   00:13:02  3583      0   08:11:24  16157      0
  9   00:11:51  2795      0   00:20:50   2418      0
  8   00:07:50  1418      0   00:20:45   1724      0
  7   00:35:47  3074      0   00:38:21   1640      0
  6   00:07:02  2186      0   00:11:01   1413      0
  5   00:20:53  3793      0   00:35:20   4592      0
  4   00:07:15   695      0   00:17:01    255      0
  3   00:18:13  4429      0   00:21:27   3351      0
  2   00:11:28  2630      0   00:15:29   2158      0
  1   00:07:41   938      0   00:08:51    684      0

In 2020, we started a small AOC competition within our team, and this was the first year I completed all 25 questions.

Day 10 part 2 was the first tricky one.

Day 15 part 2 took 78 seconds to run in python and 6 seconds in golang which is 13x faster.