hauleth.dev / advent-of-code
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chore: small cleanups

hauleth.dev c6fcc17c b3c0ceca

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Changed files
+114 -20
2022
day12.livemd
+114 -20
2022/day12.livemd 
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warning: variable "graph" is unused (there is a variable with the same name in the context, use the pin operator (^) to match on it or prefix this variable with underscore if it is not meant to be used)


     

       
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  2022/day12.livemd#cell:7urrvoyk6ltuxa4kdqc63nncfh37x2fn:30


     

       

       
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[32256290, 409066827, 186924390, 1502865800, 887663648, 2543466388, 697356458, 1070575781,


     

       
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[


     

       

       
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  {59, 38},


     

       

       
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  {38, 5},


     

       

       
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  {76, 17},


     

       

       
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  {66, 36},


     

       

       
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  {54, 26},


     

       

       
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  {10, 18},


     

       

       
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  {3, 21},


     

       

       
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  {42, 40},


     

       

       
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  {73, 32},


     

       

       
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  {43, 36},


     

       

       
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  {2, 9},


     

       

       
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  {80, 31},


     

       

       
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  {20, 12},


     

       

       
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  {63, 11},


     

       

       
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  {5, 15},


     

       

       
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  {76, 4},


     

       

       
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  {136, 4},


     

       

       
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  {3, 9},


     

       

       
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  {90, 11},


     

       

       
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  {85, 39},


     

       

       
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  {24, 29},


     

       

       
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  {91, 28},


     

       

       
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  {55, 27},


     

       

       
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  {108, 10},


     

       

       
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  {84, 4},


     

       

       
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  {9, 9},


     

       

       
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  {161, 38},


     

       

       
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  {3, 33},


     

       

       
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  {68, 22},


     

       

       
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  {143, 3},


     

       

       
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  {49, 8},


     

       

       
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  {70, 26},


     

       

       
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  {39, 25},


     

       

       
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  {18, 13},


     

       

       
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  {88, 0},


     

       

       
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  {32, 21},


     

       

       
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  {96, 3},


     

       

       
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  {84, 40},


     

       

       
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  {53, 1},


     

       

       
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  {88, 30},


     

       

       
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  {120, 10},


     

       

       
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  {36, 4},


     

       

       
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  {115, 13},


     

       

       
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  {112, 3},


     

       

       
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  {42, 0},


     

       

       
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  {4, 17},


     

       

       
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  {35, 12},


     

       

       
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  {114, 19},


     

       

       
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  {20, ...},


     

       

       
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  {...},


     

       

       
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  ...


     

       

       
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]


     

       
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```


     

       
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```elixir


     
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    if has_negative_cycle?(distances, weights) do


     

       
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      nil


     

       
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    else


     

       
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      Map.new(distances, fn {k, v} -> {Map.fetch!(vertices, k), v} end)


     

       

       
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      Map.new(distances, fn {k, v} -> {Map.fetch!(vs, k), v} end)


     

       
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    end


     

       
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  end


     

       
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{:module, BellmanFord, <<70, 79, 82, 49, 0, 0, 19, ...>>, {:has_negative_cycle?, 2}}


     

       

       
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{:module, BellmanFord, <<70, 79, 82, 49, 0, 0, 18, ...>>, {:has_negative_cycle?, 2}}


     

       
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```


     

       
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```elixir


     

       
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min_paths =


     

       

       
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paths =


     

       
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  tgraph


     

       
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  # |> Graph.bellman_ford(stop)


     

       
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  |> BellmanFord.call(stop)


     

       
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  |> Map.take(lowest)


     

       
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  |> Map.values()


     

       
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```


     

       
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```


     

       
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[:infinity, :infinity, :infinity, 454, :infinity, :infinity, :infinity, :infinity, :infinity,


     

       
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 :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity,


     

       
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 :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity,


     

       
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 :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity,


     

       
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 :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity, :infinity,


     

       
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 :infinity, :infinity, :infinity, :infinity, :infinity, ...]


     

       

       
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%{


     

       

       
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  {76, 13} => :infinity,


     

       

       
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  {38, 2} => :infinity,


     

       

       
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  {1, 26} => 430,


     

       

       
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  {140, 11} => 100,


     

       

       
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  {32, 15} => 388,


     

       

       
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  {89, 14} => 328,


     

       

       
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  {35, 30} => 392,


     

       

       
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  {156, 9} => :infinity,


     

       

       
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  {4, 5} => 454,


     

       

       
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  {74, 12} => :infinity,


     

       

       
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  {11, 39} => 425,


     

       

       
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  {131, 5} => 323,


     

       

       
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  {22, 38} => 413,


     

       

       
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  {29, 25} => 403,


     

       

       
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  {86, 10} => :infinity,


     

       

       
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  {83, 36} => 366,


     

       

       
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  {29, 26} => 402,


     

       

       
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  {47, 27} => :infinity,


     

       

       
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  {9, 34} => 426,


     

       

       
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  {137, 16} => 12,


     

       

       
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  {90, 0} => :infinity,


     

       

       
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  {103, 39} => 289,


     

       

       
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  {126, 13} => :infinity,


     

       

       
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  {47, 38} => :infinity,


     

       

       
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  {128, 35} => 268,


     

       

       
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  {20, 3} => 412,


     

       

       
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  {145, 20} => 24,


     

       

       
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  {143, 39} => 247,


     

       

       
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  {79, 17} => 335,


     

       

       
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  {75, 0} => :infinity,


     

       

       
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  {150, 18} => 167,


     

       

       
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  {147, 10} => 178,


     

       

       
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  {148, 26} => 75,


     

       

       
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  {76, 2} => :infinity,


     

       

       
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  {138, 9} => 104,


     

       

       
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  {58, 33} => 372,


     

       

       
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  {150, 5} => 296,


     

       

       
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  {54, 31} => 374,


     

       

       
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  {22, 37} => 412,


     

       

       
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  {75, 36} => :infinity,


     

       

       
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  {91, 35} => :infinity,


     

       

       
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  {143, 4} => :infinity,


     

       

       
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  {121, 27} => 283,


     

       

       
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  {91, 38} => :infinity,


     

       

       
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  {159, 26} => 268,


     

       

       
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  {131, 24} => 124,


     

       

       
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  {58, 10} => 367,


     

       

       
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  {111, 14} => :infinity,


     

       

       
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  {75, ...} => 345,


     

       

       
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  {...} => 411,


     

       

       
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  ...


     

       

       
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}


     

       
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```


     

       
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```elixir


     

       
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Enum.min(min_paths)


     

       

       
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paths


     

       

       
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|> Map.take(lowest)


     

       

       
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|> Map.values()


     

       

       
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|> Enum.min()


     

       
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```


     

       
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