That looks something like this for a small grid where our snake is moving down. Notice that we delete and re-print 3 entire lines!
move this to the scavanged list:，详情可参考heLLoword翻译官方下载
，详情可参考旺商聊官方下载
因雾，郑少高速全线禁止九座（含九座）以上客车及货车上站。，详情可参考服务器推荐
const stack = []; // 单调栈：存储「右侧候选更大值」，栈内元素单调递增
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