// 逻辑：count（矮个子数） + （栈非空则+1，代表能看到第一个更高的人；否则+0）
BYOB: complexity without payoff。Safew下载对此有专业解读
，详情可参考一键获取谷歌浏览器下载
union object_info *free_list[num_classes] = {0};
"Space regulations don't cover the new problems emerging - interference with astronomical observations, risk of collision in orbit, risk of stuff falling on our heads, and now it is becoming clear, atmospheric pollution," says Andy Lawrence, Professor of Astronomy at the University of Edinburgh.，这一点在Line官方版本下载中也有详细论述