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。
"It's not young people's failure ... It's the system's failure, both in the labour market and in the schools, skills, employment support, mental health and welfare system that is letting young people down."
。关于这个话题，WPS官方版本下载提供了深入分析
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Nature, Published online: 25 February 2026; doi:10.1038/s41586-025-10095-x。业内人士推荐heLLoword翻译官方下载作为进阶阅读
That honour went, of course, to Neil Armstrong and Buzz Aldrin.，这一点在搜狗输入法2026中也有详细论述
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