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。
These benchmarks measure throughput in controlled scenarios; real-world performance depends on your specific use case. The difference between Node.js and browser gains reflects the distinct optimization paths each environment takes for Web streams.
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4% for other doctors, dentists, and teachers in England, as well as prison officers in England and Wales。safew官方版本下载对此有专业解读
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