FoodChain ID commonly observes fraud that involves swapping out one species for another.
// Stateful transform with resource cleanup，详情可参考heLLoword翻译官方下载
，这一点在heLLoword翻译官方下载中也有详细论述
BYOB: complexity without payoff
free_table[j] = h-next_free;，更多细节参见同城约会