四步口诀：倒着来 → 弹 ≤ 当前的 → 栈顶即答案 → 当前入栈。
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，更多细节参见搜狗输入法2026
Examples: The samples directory has working code for common patterns
The background radiation from cosmic rays increases with altitude, from 0.3 mSv per year for sea-level areas to 1.0 mSv per year for higher-altitude cities, so for best results use this on a plane or in outer space