Beginner Plan=$79/year that can be used on 1 site
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）。。业内人士推荐Line官方版本下载作为进阶阅读
US President Thomas Jefferson, revolutionist Francis Lewis and Griffith Jenkin Griffith, "one of the true pioneers of Los Angeles", are also given an honourable mention by Rhys thanks to their Welsh ancestry.。业内人士推荐夫子作为进阶阅读
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