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）。
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63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54，推荐阅读Line官方版本下载获取更多信息
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。同城约会对此有专业解读
Today’s puzzle is a new twist on a classic genre: the “common knowledge” hat riddle in which logicians deduce facts about their hats based on what they know, and what they know others know.
Медведев вышел в финал турнира в Дубае17:59，更多细节参见搜狗输入法2026