Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
嗨，我遇到了作业问题，要求我使用 Luhn/Mod 10 检查以查看信用卡号是否符合信用卡要求。有人可以告诉我如何告诉计算机从输入的长变量中读取数字吗？谢谢，祝你有美好的一天！