Only the latest main revision is maintained. These programs process user-provided input and files; do not use untrusted data in privileged environments. / 仅维护 main 最新版本。程序会处理用户输入与文件，请勿在高权限 环境中直接使用不可信数据。

Report vulnerabilities privately through GitHub's Security → Report a vulnerability flow. Include the affected exercise, input, compiler, sanitizer output, and impact. / 请通过 GitHub Security → Report a vulnerability 私密报告，并提供受影响题目、输入、编译器、sanitizer 输出与影响。