#include <fstream>
#define inf 1001
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int i, j, k, a[101][101], n;
void citire()
{
	fin>>n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
		{
			fin>>a[i][j];
			if (a[i][j]==0&&i!=j)
				a[i][j]=inf;
		}
}
int min(int a,int b)
{
	if (a<b)
		return a;
	else return b;
}
int main()
{
	citire();
	for (k=1;k<=n;k++)
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
				a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			fout<<a[i][j]<<' ';
		fout<<'\n';
	}
	fout.close();
	return 0;
}