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Tr A

Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 11585    Accepted Submission(s): 8399


Problem Description
A为一个方阵，则Tr A表示A的迹（就是主对角线上各项的和），现要求Tr(A^k)%9973。
 

Input
数据的第一行是一个T，表示有T组数据。
每组数据的第一行有n(2 <= n <= 10)和k(2 <= k < 10^9)两个数据。接下来有n行，每行有n个数据，每个数据的范围是[0,9]，表示方阵A的内容。
 

Output
对应每组数据，输出Tr(A^k)%9973。
 

Sample Input
2
2 2
1 0
0 1
3 99999999
1 2 3
4 5 6
7 8 9
 

Sample Output
2
2686
 

Author
xhd
 

Source
HDU 2007-1 Programming Contest
 

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