"Do it slowly, do it right but let's get on with it," she said. "We have been stagnating at these very low recycling rates for far too long."
position.sort((x, y) = y - x);
。关于这个话题，雷电模拟器官方版本下载提供了深入分析
习题链接：LeetCode 402. 移掉 K 位数字
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