比如在设施优化上，基金会资助医院改造闲置空间——把22952平方英尺的闲置区域，改造成专科护理区，重点支持心脏和急诊服务，直接提升了医院的运营容量；在人力成本上，基金会推动志愿者项目，每年有志愿者贡献超过17万小时的服务，按2023年美国志愿者小时价值（31.80美元/小时）计算，相当于每年节省数百万美元的劳动力支出，让专业医护人员能专注于医疗本身，不用分心处理行政、运输等琐事。
思路：① 算每辆车到达时间 = (target - position) / speed；② 按位置降序排序；③ 单调递增栈：仅当当前时间 栈顶时间时压栈（新车队），否则合并。栈长即为车队数。可优化为用变量代替栈。，详情可参考safew官方下载
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**MUST** avoid including redundant comments which are tautological or self-demonstating (e.g. cases where it is easily parsable what the code does at a glance or its function name giving sufficient information as to what the code does, so the comment does nothing other than waste user time)，推荐阅读搜狗输入法2026获取更多信息
But men with specific genetic mutations called BRCA variants develop faster-growing and aggressive cancers at an earlier age, making screening for them justified.