2023年4月25日
Problem A. Restoring Numbers
摘要： Problem A. Restoring Numbers Pavel had two positive integers a and b. He found their sum s and greatest common divisor g, and forgot a and b after tha 阅读全文
posted @ 2023-04-25 23:54 liuwansi 阅读(20) 评论(0) 推荐(0)