These are my solutions to the Advent of Code challenge 2018.
I'm trying to solve as many of them as possible using Rust, but might fall back to Python for some questions if required.
time 22.27 ms (22.16 ms .. 22.42 ms)
1.000 R² (1.000 R² .. 1.000 R²)
mean 22.59 ms (22.47 ms .. 22.97 ms)
std dev 422.2 μs (157.7 μs .. 801.9 μs)
Part 1 was fast, part 2 was not. It took over a minute to execute part 2, but the approach was quite brute-force. The question seems quite suited towards a dynamic programming approach, which would probably improve performance considerably.
time 28.88 ms (28.50 ms .. 29.20 ms)
0.999 R² (0.999 R² .. 1.000 R²)
mean 29.35 ms (29.07 ms .. 29.75 ms)
std dev 699.6 μs (464.1 μs .. 1.108 ms)
time 8.197 ms (8.136 ms .. 8.280 ms)
1.000 R² (0.999 R² .. 1.000 R²)
mean 8.286 ms (8.250 ms .. 8.352 ms)
std dev 136.8 μs (80.57 μs .. 237.8 μs)
time 115.6 ms (107.2 ms .. 129.6 ms)
0.986 R² (0.968 R² .. 0.999 R²)
mean 108.9 ms (104.9 ms .. 113.8 ms)
std dev 6.914 ms (4.228 ms .. 11.06 ms)
time 8.083 ms (8.019 ms .. 8.179 ms)
0.999 R² (0.997 R² .. 1.000 R²)
mean 8.376 ms (8.281 ms .. 8.665 ms)
std dev 429.3 μs (173.0 μs .. 819.5 μs)
time 8.027 ms (7.954 ms .. 8.085 ms)
0.999 R² (0.999 R² .. 1.000 R²)
mean 8.256 ms (8.145 ms .. 8.544 ms)
std dev 489.9 μs (150.2 μs .. 970.2 μs)
time 5.854 ms (5.729 ms .. 6.046 ms)
0.994 R² (0.990 R² .. 0.997 R²)
mean 6.345 ms (6.253 ms .. 6.455 ms)
std dev 307.1 μs (242.6 μs .. 443.7 μs)
time 230.6 ms (220.8 ms .. 239.5 ms)
0.999 R² (0.995 R² .. 1.000 R²)
mean 233.0 ms (229.4 ms .. 237.4 ms)
std dev 5.087 ms (3.238 ms .. 7.149 ms)
time 230.9 ms (226.0 ms .. 237.0 ms)
0.999 R² (0.998 R² .. 1.000 R²)
mean 230.9 ms (228.9 ms .. 233.1 ms)
std dev 2.960 ms (2.495 ms .. 3.530 ms)
time 48.84 ms (48.05 ms .. 49.74 ms)
0.999 R² (0.998 R² .. 1.000 R²)
mean 50.07 ms (49.59 ms .. 50.64 ms)
std dev 1.076 ms (825.6 μs .. 1.339 ms)
time 6.726 ms (6.661 ms .. 6.790 ms)
0.999 R² (0.999 R² .. 1.000 R²)
mean 6.921 ms (6.883 ms .. 6.965 ms)
std dev 117.9 μs (99.90 μs .. 139.6 μs)
time 16.48 ms (16.30 ms .. 16.64 ms)
1.000 R² (0.999 R² .. 1.000 R²)
mean 17.11 ms (16.84 ms .. 17.92 ms)
std dev 1.023 ms (304.8 μs .. 1.977 ms)
time 7.756 ms (7.362 ms .. 8.015 ms)
0.988 R² (0.982 R² .. 0.994 R²)
mean 7.062 ms (6.919 ms .. 7.240 ms)
std dev 460.8 μs (364.9 μs .. 515.7 μs)
time 7.954 ms (7.889 ms .. 8.017 ms)
1.000 R² (0.999 R² .. 1.000 R²)
mean 8.104 ms (8.053 ms .. 8.209 ms)
std dev 207.7 μs (91.73 μs .. 379.0 μs)
time 7.264 ms (7.190 ms .. 7.328 ms)
0.999 R² (0.999 R² .. 1.000 R²)
mean 7.474 ms (7.361 ms .. 7.913 ms)
std dev 539.0 μs (135.6 μs .. 1.172 ms)
time 45.34 ms (43.83 ms .. 46.35 ms)
0.997 R² (0.994 R² .. 0.999 R²)
mean 44.76 ms (43.40 ms .. 45.69 ms)
std dev 2.138 ms (1.298 ms .. 3.026 ms)
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