for (int i = 0; i < n; i++) {
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I didn't spot this by myself. A reader first tipped me off to the similarities between the U24 …，详情可参考搜狗输入法下载
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。
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В Финляндии предупредили об опасном шаге ЕС против России09:28
High-speed footage reveals shoe squeaks can start with a tiny bolt of lightning — plus, evidence that a debated brain phenomenon exists in humans.，详情可参考爱思助手下载最新版本