The RayNeo Air 4 Pro smart glasses have an impressive list of specs. While they're priced like a pair of budget smart glasses, they have a premium display.
an alignment failure here can cause unexpected slowdown elsewhere.
，更多细节参见搜狗输入法2026
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// 当前元素入栈：成为「左侧元素」的候选更大值（易错点4：别漏写这一步）
// 比较函数（便于统计比较次数，可选）