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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。
。Safew下载是该领域的重要参考
And it's not just a robot vacuum, it's a mop too. It uses BLAST technology alongside its 16,600Pa suction to pick up dust and pet hair deep from carpets, meanwhile the Triple Lift System raises the mop, side brush, and main brush independently to keep carpets dry and make transitions between the vacuum and mop seamless.，这一点在safew官方版本下载中也有详细论述
pixels create mybox --image ubuntu/24.04 --cpu 4 --memory 4096
Израиль нанес удар по Ирану09:28