2019年1月19日
C - Reduced ID Numbers 寒假训练
摘要： T. Chur teaches various groups of students at university U. Every U-student has a unique Student Identification Number (SIN). A SIN s is an integer in 阅读全文
posted @ 2019-01-19 10:24 EchoZQN 阅读(155) 评论(0) 推荐(0)
B - Modular Inverse
摘要： The modular modular multiplicative inverse of an integer a modulo m is an integer x such that a-1≡x (mod m). This is equivalent to ax≡1 (mod m). Input 阅读全文
posted @ 2019-01-19 10:02 EchoZQN 阅读(154) 评论(0) 推荐(0)