#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
int a[100][100],i,j,k,n;
int main ()
{f>>n;
for (i=1;i<=n;i++)
	for (j=1;j<=n;j++)
		f>>a[i][j];
for (k=1;k<n;k++)
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			if(a[i][k]+a[k][j]<a[i][j]&&a[i][k]!=0&&a[k][j]!=0)
				a[i][j]=a[i][k]+a[k][j];
for (i=1;i<=n;i++)
{
	for (j=1;j<=n;j++)
		g<<a[i][j]<<" ";
	g<<'\n';}}