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）。
八闽大地，平野上稻浪千重，山林中茶果飘香，大海上渔排纵横……
。搜狗输入法下载对此有专业解读
What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:
Analysts said approval for deal was likely to hinge on how broadly regulators decide to define the market, and whether players such as YouTube are considered part of the competition.。关于这个话题，同城约会提供了深入分析
Цены на нефть взлетели до максимума за полгода17:55。业内人士推荐heLLoword翻译官方下载作为进阶阅读
insertionSort(arr, n);