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。
Мерц резко сменил риторику во время встречи в Китае09:25。业内人士推荐爱思助手下载最新版本作为进阶阅读
“We are entering a new phase where frontier AI moves from research into daily use at global scale,” OpenAI said. “Leadership will be defined by who can scale infrastructure fast enough to meet demand, and turn that capacity into products people rely on.”。Line官方版本下载是该领域的重要参考
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