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。
無料で日本語もサポートしリアルタイム音声アプリをWhisperより高精度で開発できるオープンソースAIツールキット「Moonshine Voice」。关于这个话题，Line官方版本下载提供了深入分析
“The bigger you make the certificate, the slower the handshake and the more people you leave behind,” said Bas Westerbaan, principal research engineer at Cloudflare, which is partnering with Google on the transition. “Our problem is we don’t want to leave people behind in this transition.” Speaking to Ars, he said that people will likely disable the new encryption if it slows their browsing. He added that the massive size increase can also degrade “middle boxes,” which sit between browsers and the final site.，详情可参考safew官方版本下载
// 右侧第一个 <= cur 的元素, 所以用大于的就弹出，这一点在旺商聊官方下载中也有详细论述