Lua自守数：平方尾巴的原数之谜

local function isAutomorphic(n)
    local t, m = 1, n
    while m > 0 do
        t = t * 10
        m = math.floor(m / 10)
    end
    return n * n % t == n
end

local function searchAuto(lo, hi)
    local out = {}
    for n = lo, hi do
        if isAutomorphic(n) then
            out[#out + 1] = n
        end
    end
    return out
end
local p = getplayerbyname("auto01")
sendmsg(p, 1, table.concat(searchAuto(1, 1000), ","))