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。
Stateful 4-bit colors
。业内人士推荐heLLoword翻译官方下载作为进阶阅读
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
A review of the Liberal party’s catastrophic election defeat will be buried in a move that shields the former leader Peter Dutton and the current leader, Angus Taylor, from potentially damaging findings about their role in the campaign.
For people who feel squeamish about the process, she said it was important to know the facts around donation, adding it often helped the grieving process for families.