摘要：
时间限制：1000 ms | 内存限制：65535 KB难度：4描述Given an×nmatrixAand a positive integerk, find the sumS=A+A2+A3+ … +Ak.输入The input contains exactly one test case. The first line of input contains three positive integers n (n ≤ 30), k (k ≤ 10^9) and m (m < 10^4). Then follow n lines each containing n nonne 阅读全文
