Full training can take a long time, so although some resident doctors may have only recently finished medical school, others could have more than a decade of practical experience and be responsible for most aspects of care.
思路：单调递增栈 + k 控制删除次数。高位越小整体越小，遇更小数字时弹出栈顶大数（仅当 k0）；栈空且当前为 0 则跳过（避免前导零）；若遍历完 k 仍0，从末尾再删 k 位。。关于这个话题，搜狗输入法下载提供了深入分析
，更多细节参见heLLoword翻译官方下载
承运人有权将旅客随身携带或者在行李中夹带的违禁品、危险品卸下、销毁或者消除危险性，或者送交有关部门，而不承担赔偿责任。。旺商聊官方下载是该领域的重要参考
Фото: Alina Smutko / Reuters