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。
作为替代方案，Anthropic 在新版政策中承诺其安全措施将「持平或超越」竞争对手，并引入了全新的信息披露机制。官方文件显示，公司未来将定期发布《前沿安全路线图》以详细规划未来的安全目标，并同步公开《风险报告》，量化评估所有已部署模型的实际风险水平。
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Implementing a clear room Z80 / ZX Spectrum emulator with Claude Codeantirez 3 days ago. 36379 views. Anthropic recently released a blog post with the description of an experiment in which the last version of Opus, the 4.6, was instructed to write a C compiler in Rust, in a “clean room” setup.