#include <cstdlib>
#include <iostream>
 
using namespace std;
 
int main()
{
	int n;
	cin >> n;
	int a[n][n];
	for( int i=0 ; i<n ; i++ )
	{
		for( int j=0 ; j<n ; j++ )
		{
			cin >> a[i][j];
		}
	}
	for( int i=0 ; i<n ; i++ )
	{
		int min=a[i][0];
		for( int j=0 ; i-j>=0 ; j++ )   // критерий отбора элементов под главной диагональю
		{
			if( a[i][j]<min )
			{
				min = a[i][j];
			}
		}
		cout << min << (i+1!=n?' ':'\n');
	}
}

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NAo0IDMgMiAxCjQgMyAyIDEKNCAzIDIgMQo0IDMgMiAx

4
4 3 2 1
4 3 2 1
4 3 2 1
4 3 2 1