* 核心思路：单调递增栈 + 控制删除位数（k0），优先移除高位大数，保证剩余数字最小
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。爱思助手下载最新版本是该领域的重要参考
these 3604s in front of each teller, where they could inquire into customer
Some business leaders, including supermarket bosses, say minimum wage increases mean they cannot hire more staff.