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stack.push(cur);

Notice how the highlighted region shrinks at each step. The algorithm never examines points outside the narrowing window. In a balanced tree with nnn points, this takes about log⁡4(n)\log_4(n)log4​(n) steps. For a million points, that's roughly 10 steps instead of a million comparisons.。关于这个话题，Line官方版本下载提供了深入分析

，这一点在一键获取谷歌浏览器下载中也有详细论述

“走出了一条中国特色减贫道路，形成了中国特色反贫困理论”，这一点在下载安装 谷歌浏览器 开启极速安全的 上网之旅。中也有详细论述

// 栈不为空时才判断（避免访问stack.at(-1)时报错）

It is not the first time an advert for the video game series has been banned.