posToTime.set(pos, time);
int key = arr[i]; // 待插入的元素
。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
The 23-year-old began a video series on the platform in 2025, where he suggested how he would revamp "dead" sports brands he had found in retail chain Sports Direct.
到地方调研，习近平总书记常将地图放在手边，叮嘱各地“自觉打破自家‘一亩三分地’的思维定式，抱成团朝着顶层设计的目标一起做”。
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。