"I could carry a meeting without any problems; but then I'd be sat there, not knowing what the name of something was that I've known for years, then you're embarrassed, then the hot flushes come and the anxiety and overwhelm and it was just all too much.
需要元素值：栈存值，或答案存索引后用 nums[res[i]] 取值。
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Пари Нижний Новгород。搜狗输入法2026对此有专业解读
// 将pivot放到正确位置（j的位置）
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