// 测试用例（可直接运行验证）
Josh Feldberg, who lives in London, started using Reddit about 14 years ago. "I started using it because I have ADHD - I didn't get a proper diagnosis for years - and then a friend said they sometimes share resources on there."
。业内人士推荐im钱包官方下载作为进阶阅读
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。。业内人士推荐一键获取谷歌浏览器下载作为进阶阅读
Дания захотела отказать в убежище украинцам призывного возраста09:44