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）。
Александр Вучич . Фото: Djordje Kojadinovic / Reuters
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此外，新机还将带来行业独有的 200mm+400mm 双定焦增距镜头组合，其中 400mm 焦段或将成为手机增距摄影的终极解决方案。
Cursor uses Apple’s Seatbelt (sandbox-exec) on macOS and Landlock plus seccomp on Linux. It generates a dynamic policy at runtime based on the workspace: the agent can read and write the open workspace and /tmp, read the broader filesystem, but cannot write elsewhere or make network requests without explicit approval. This reduced agent interruptions by roughly 40% compared to requiring approval for every command, because the agent runs freely within the fence and only asks when it needs to step outside.
Self-driving truck startup Einride raises $113M PIPE ahead of public debut