#include <iostream>
#include <iomanip>

using namespace std;

int main(int argc, char * argv[])
{
    int a[3][3] = { 1,2,3,4,5,6,7,8,9};
    for(int i = 0; i < 3; ++i)
    {
        for(int j = 0; j < 3; ++j)
            cout << a[i][j] << "  ";
        cout << endl;
    }

    for(int i = 0; i < 3; ++i)
    for(int j = i+1; j < 3; ++j)
    {
        int tmp = a[i][j];
        a[i][j] = a[j][i];
        a[j][i] = tmp;
    }

    cout << "\n\n";
    for(int i = 0; i < 3; ++i)
    {
        for(int j = 0; j < 3; ++j)
            cout << a[i][j] << "  ";
        cout << endl;
    }

}