15 lines
364 B
Lua
15 lines
364 B
Lua
|
local position, depth = 0, 0
|
||
|
|
for line in io.lines(arg[3]) do
|
||
|
|
local split = line:find(" ")
|
||
|
|
local direction = line:sub(1, split - 1)
|
||
|
|
local distance = line:sub(split + 1, -1)
|
||
|
|
if direction == "forward" then
|
||
|
|
position = position + distance
|
||
|
|
elseif direction == "up" then
|
||
|
|
depth = depth - distance
|
||
|
|
else
|
||
|
|
depth = depth + distance
|
||
|
|
end
|
||
|
|
end
|
||
|
|
print(depth * position)
|