# include <fstream>
using namespace std;
int n, a[103][103];

void read ()
{
	ifstream fin ("royfloyd.in");
	fin>>n;
	for (int i=1;i<=n;i++)
		for (int j=1;j<=n;j++)
			fin>>a[i][j];
}

void royfloyd ()
{
	for (int k=1;k<=n;k++)
		for (int i=1;i<=n;i++)
			for (int j=1;j<=n;j++)
				if (a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && i!=j)
					a[i][j]=a[i][k]+a[k][j];
}

void afis ()
{
	ofstream fout ("royfloyd.out");
	for (int i=1;i<=n;i++)
	{
		for (int j=1;j<=n;j++)
			fout<<a[i][j]<<" ";
		fout<<endl;
	}
}

int main ()
{
	read ();
	royfloyd ();
	afis ();
	return 0;
}