#include <iostream>
using namespace std;

int main()
{
	double array[20][20];
	srand(time(0));
	for (int i=0;i<20;i++)
	{
		for (int j=0;j<20;j++)
		{
			array[i][j]=(rand()%100);
		}
		cout<<endl;
	} 
	double diagonal[20];
	for (int i=0;i<20;i++)
	{
		diagonal [i]=array [i][i];
		cout<<diagonal[i]<<" ";
	}
	cout<<endl;
}