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。
Rhys urged Americans to mark St David's Day by following the patron saint's motto, "gwnewch y pethau bychain" or "do the little things", on 1 March.，更多细节参见heLLoword翻译官方下载
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The Artemis III mission, which had been expected to land astronauts near the moon's south pole in 2028, now will be redefined and rescheduled — launching in 2027 but not to the moon, Isaacman said. Instead, the yet-to-be-named astronauts will rendezvous and dock in orbit closer to home with one or both of the commercially built lunar landers now under development at Elon Musk's SpaceX and Jeff Bezos' Blue Origin.，推荐阅读safew官方下载获取更多信息
Trump Iranian missile claim unsupported by U.S. intelligence, say sources