Untitled

#include<iostream>

using namespace std;

struct matrix{
	int ma[100][100];
};

int t,n,k;
matrix mat;
matrix kq;

matrix product(matrix a, matrix b){
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++) kq.ma[i][j]=0;
	}
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			for(int k=0;k<n;k++){
				kq.ma[i][j] += a.ma[i][k]*b.ma[k][j];
			}
		}
	}
	return kq;
}

matrix luythua(matrix base, int sm){
	if(sm==1) return base;
	else{
		if(sm%2==0) return product(luythua(base,sm/2),luythua(base,sm/2));
		else{
			return product(base,product(luythua(base,sm/2),luythua(base,sm/2)));
		}
	}
}

int main(){
	freopen("input.txt","r",stdin);
	cin >> t;
	for(int tc=1;tc<=t;tc++){
		cin >> n >> k;
		for(int i=0;i<n;i++){
			for(int j=0;j<n;j++) cin >> mat.ma[i][j];
		}
		for(int i=0;i<n;i++){
			for(int j=0;j<n;j++){
				cout << luythua(mat,k).ma[i][j] << " " ;
			}
			cout << endl;
		}
	}


	return 0;
}