#include <iostream>
using namespace std;
void print_matrix(const double (&m)[4][5])
{
for(int i = 0; i < 4; ++i)
{
for(int j = 0; j < 5; ++j)
{
cout << m[i][j] << '\t';
}
cout << endl;
}
}
int main()
{
double m[4][5] =
{
{2, 3, 4, 5, 6},
{1, 0, 0, 6, 0},
{0, 0, 2, 9, -6},
{9, 8, 7, 6, 5},
};
print_matrix(m);
return 0;
}
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