local run = true

local z = {0, 1}
local table_ssort = table.ssort
function c(func)
  table_ssort(z, function()
    func()
    return true
  end)
end

local string_format = string.format
local function f()
  string_format('%.1f / %.f', 100 / 1000, 10)
end
function OnQuote(class_code, sec_code)
  for i = 1, 50 do
    c(f)
  end
end
function OnParam(class_code, sec_code)
  for i = 1, 50 do
    c(f)
  end
end

function main()
  local class_code = 'QJSIM'
  local s = {}
  local n = 0
  for sec_code in string.gmatch(getClassSecurities(class_code), '([^,]+)') do
    if Subscribe_Level_II_Quotes(class_code, sec_code) == true then
      n = n + 1
      s[n] = sec_code
    end
  end
  while run do
    sleep(1)
  end
  for i = 1, n do
    Unsubscribe_Level_II_Quotes(class_code, s[i])
  end
end

function OnStop()
  run = nil
end