摘要:
" 题目链接 " Problem Description Function Fx,ysatisfies: For given integers N and M,calculate Fm,1 modulo 1e9+7. Input There is one integer T in the first 阅读全文
摘要:
" 题目链接 " Problem Description You are given an array A , and Zhu wants to know there are how many different array B satisfy the following conditions? 1 阅读全文