61 lines
824 B
Lua
61 lines
824 B
Lua
max_id_possible = 127 * 7 + 7
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--[[ table to hold seats accounted for --]]
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occupied = {}
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for i = 0,max_id_possible
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do
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occupied[i] = false
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end
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--[[ max id in data --]]
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m = 0
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for l in io.lines("data")
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do
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row1 = 0
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row2 = 127
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for i = 1,7,1
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do
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c = l:sub(i,i)
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median = (row1 + row2) / 2
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if (c == 'F')
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then
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row2 = math.floor(median)
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else
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row1 = math.ceil(median)
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end
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end
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col1 = 0
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col2 = 7
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for i = 8,10,1
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do
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c = l:sub(i,i)
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median = (col1 + col2) / 2
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if (c == 'L')
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then
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col2 = math.floor(median)
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else
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col1 = math.ceil(median)
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end
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end
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id = row1 * 8 + col1
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if (id > m)
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then
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m = id
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end
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occupied[id] = true
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end
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print("max id: ", m)
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for i = 0,max_id_possible
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do
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if (occupied[i] == false)
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then
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if(occupied[i-1] and occupied[i+1])
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then
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print("your id: ", i)
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end
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end
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end
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