HDU6030 Happy Necklace（递推+矩阵快速幂）
摘要：
传送门：点我 Little Q wants to buy a necklace for his girlfriend. Necklaces are single strings composed of multiple red and blue beads. Little Q desperately 阅读全文
posted @ 2019-02-27 17:26 Esquecer 阅读(233) 评论(0) 推荐(0) 编辑
