回首过去，我们在解决困扰中华民族几千年的绝对贫困问题上取得了伟大历史性成就。
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。
，这一点在WPS官方版本下载中也有详细论述
分析指出，受人工智能任务对先进存储芯片需求的持续挤压，全球存储供应极度紧张，迫使手机制造商调整业务策略，削减利润微薄的入门级机型并推动消费者转向高端设备。，详情可参考Line官方版本下载
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