#include <iostream>
#include <iomanip>
#include <cstdlib>
using namespace std;

void f(const int *p, size_t nrows, size_t ncols);

int main()
{
	int a[2][3] = {
		{1, 2, 3},
		{4, 5, 6}
	};

	int b[3][5] = {
		{1, 2, 3, 4, 5},
		{6, 7, 8, 9, 10},
		{11, 12, 13, 14, 15},
	};

	f(reinterpret_cast<int *>(a), 2, 3);
	f(reinterpret_cast<int *>(b), 3, 5);

	return EXIT_SUCCESS;
}

void f(const int *p, size_t nrows, size_t ncols)
{
	for (size_t i = 0; i < nrows; ++i) {
		for (size_t j = 0; j < ncols; ++j) {
			cout << setw(2) << p[i * ncols + j] << " ";
		}
		cout << "\n";
	}
	cout << "\n";
}