qq_27151549的博客

A Love StoryDescriptionIn order to make the girlfriend happy，CZY decided to send flowers to CM every week. CZY has some coins, a total of N (1 <= N <= 20) different denominations. Every denomina...

Matrix RevolutionTime Limit: 3000 ms /Memory Limit: 32768 kbDescriptionLele 现在不仅会整数A+B，A*B，还会矩阵A+B，矩阵A*B。一天，Lele在百无聊赖的时候，突然想起一个很无聊的问题。对于给定的一个矩阵A，A+A^2+A^3+...+A^K 是多少呢？其中A^2 表示两个矩阵的乘积A*A，A^3表示三个矩阵的乘积A...