2018年5月23日
CodeForces 450B Jzzhu and Sequences 【矩阵快速幂】
摘要： Jzzhu has invented a kind of sequences, they meet the following property: You are given x and y, please calculate fn modulo 1000000007 (109 + 7). Inpu 阅读全文
posted @ 2018-05-23 21:37 Roni_i 阅读(239) 评论(0) 推荐(0)