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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。，推荐阅读搜狗输入法2026获取更多信息
。搜狗输入法2026是该领域的重要参考
Раскрыты подробности о договорных матчах в российском футболе18:01。业内人士推荐同城约会作为进阶阅读
"The work that we're doing now is allowing us to create semiconductors up to 4,000 times purer in space than we can currently make here today," says Josh Western, CEO of Space Forge.
class CsvStorage(Storage):