"Boys like either dinosaurs or airplanes," he said. "I was very much an airplane boy."
思路：单调递增栈 + k 控制删除次数。高位越小整体越小，遇更小数字时弹出栈顶大数（仅当 k0）；栈空且当前为 0 则跳过（避免前导零）；若遍历完 k 仍0，从末尾再删 k 位。
，详情可参考safew官方版本下载
Цены на нефть взлетели до максимума за полгода17:55
But many fans were left disappointed after about 670,000 ticket requests were submitted for the Manchester show, with only 23,500 places available.。业内人士推荐Line官方版本下载作为进阶阅读
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