2024年12月23日 星期一 新京报
However, the company said on Tuesday the offending notification would have only been seen by a small number of users and that it was removed quickly.
，详情可参考同城约会
Real-time generation
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。