习题链接：LeetCode 402. 移掉 K 位数字
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I'm Andrew Smith. I live with my partner in Fayetteville, Arkansas, USA. Full-time, I work from home as a network security engineer for the Defense Health Agency, helping to protect the networks of U.S. DoD hospitals and clinics around the world. I'm also a data operations warrant officer in the Army National Guard.。safew官方下载对此有专业解读