描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。
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。关于这个话题，搜狗输入法2026提供了深入分析
“Two and a half years later, our honest assessment is that some parts of this theory of change have played out as we hoped, but others have not,” Anthropic wrote. Now, its updated policy approaches safety relatively, rather than with strict red lines.
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不过，该功能入口藏得较深，位于「设备性能」二级菜单下的「互联网速度测试」。