#include <iostream>
#include <iomanip>
#include <array>
 
using namespace std;
 
 
int main(int argc, const char * argv[])
{
    array<array<int, 5>, 5> a;
    for(int i = 0; i < 5; ++i)
    {
        for(int j = 0; j < 5; ++j)
        {
            a[i][j] = rand()%100;
            cout << setw(4) << a[i][j];
        }
        cout << endl;
    }
 
    cout << "\n\n";
    swap(a[1],a[3]);
 
    for(int i = 0; i < 5; ++i)
    {
        for(int j = 0; j < 5; ++j)
        {
            cout << setw(4) << a[i][j];
        }
        cout << endl;
    }
}
 
 

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