Performance

Day	Time (mean)	Time (σ)	Time (min)	Time (max)	Memory
1	2.0 ms	0.2 ms	1.7 ms	4.4 ms	977 KiB
2	41.4 ms	0.4 ms	40.7 ms	43.6 ms	993 KiB
3	2.0 ms	0.2 ms	1.7 ms	3.1 ms	1025 KiB
4	120.1 ms	0.4 ms	119.3 ms	121.3 ms	1473 KiB
5	1.9 ms	0.2 ms	1.7 ms	2.6 ms	1025 KiB
6	1.9 ms	0.2 ms	1.7 ms	4.3 ms	1329 KiB
7	3.1 ms	0.2 ms	2.7 ms	6.9 ms	1105 KiB
8	46.7 ms	0.7 ms	45.3 ms	48.8 ms	42561 KiB
9	78.2 ms	0.6 ms	76.6 ms	79.4 ms	1137 KiB
10	221.8 ms	0.6 ms	220.9 ms	222.8 ms	1649 KiB
11	5548 ms	38 ms	5520 ms	5632 ms	1393 KiB
12	1.9 ms	0.2 ms	1.7 ms	3.4 ms	1121 KiB

Note that day 11 has an alternate implementation that is much faster,
but that was completed after the initial submission.

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