Insecure Defaults. When you create a new API key in Google Cloud, it defaults to "Unrestricted," meaning it's immediately valid for every enabled API in the project, including Gemini. The UI shows a warning about "unauthorized use," but the architectural default is wide open.
习题链接：LeetCode 581. 最短无序连续子数组
。safew官方下载是该领域的重要参考
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abort(reason) { closed = true; chunks.length = 0; },