15 lines
288 B
Lua
15 lines
288 B
Lua
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#!/usr/bin/env luajit
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require("utils")
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local positions = split(io.open(arg[3]):read("*a"), ",")
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foreach(positions, tonumber)
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table.sort(positions)
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local median = positions[#positions/2]
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local cost = 0
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for k, v in pairs(positions) do
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cost = cost + math.abs(median - v)
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end
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print(cost)
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