摘要:
Discription Fox Ciel is in the Amusement Park. And now she is in a queue in front of the Ferris wheel. There are n people (or foxes more precisely) in 阅读全文
摘要:
Problem Statement Find the number of the possible tuples of sequences (A0,A1,…,AN) that satisfy all of the following conditions, modulo M: For every i 阅读全文