#include<fstream>

using namespace std;

int n;
int a[102][102];

void read ()
{
	ifstream fin ("royfloyd.in");
	fin >> n;
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < n; j++)
		{
			fin >> a[i][j];
		}
	}
	fin.close ();
}

void print ()
{
	ofstream fout ("royfloyd.out");
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < n; j++)
		{
			fout << a[i][j] << " ";
		}
		fout << "\n";
	}
	fout.close ();
}

void royfloyd ()
{
	for (int k = 0; k < n; k++)
	{
		for (int i = 0; i < n; i++)
		{
			for (int j = 0; j < n; j++)
			{
				if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0) && i != j)
				{
					a[i][j] = a[i][k] + a[k][j];
				}
			}
		}
	}
}

int main ()
{
	read ();
	royfloyd ();
	print ();
}