摘要： "题目介绍" 1. Problem Description The three hands of the clock are rotating every second and meeting each other many times everyday. Finally, they get bor 阅读全文

摘要： "题目介绍" 1. Problem Description A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A f(n 1) + B f(n 2)) mod 7. Given A, B, and n, you 阅读全文