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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。
"When I first got down here, it was hard to be sharing a room with people, and the weather was quite miserable. For the first month I thought, 'maybe this isn't the thing for me'," he acknowledges.。业内人士推荐搜狗输入法2026作为进阶阅读
Three decommissioned lighters - old barges that were used to transport coal and other industrial materials - have been sunk in the Blackwater Estuary, between Maldon and West Mersea in Essex.，推荐阅读搜狗输入法2026获取更多信息
Ранее президент США Дональд Трамп получил информацию о возможных военных действиях против Ирана на фоне переговоров между странами в Женеве.，更多细节参见搜狗输入法下载
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