Greater than: Every domino half in this space must add up to more than the number.
描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。。Line官方版本下载对此有专业解读
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Cruz isn't shying away from his family connections. "Nice T-shirt," he remarked to an audience member who was wearing a top with "POSH" in big letters with a photo of his mum in her Spice Girls pomp.
雖然專業的科學與工程職位是核心，但約70%的工作是維持研究站運作所需的營運角色。