#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, a[101][101], m[101][101],i,j;

int main ()
{
	in>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			in>>a[i][j];
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			for(int k=1;k<=n;k++)
				if(i!=j && a[i][k] && a[k][j] && ((a[i][k]+a[k][j]<a[i][j])||!a[i][j]))
					a[i][j]=a[i][k]+a[k][j];
	for(i=1;i<=n;i++)
		{
			for(j=1;j<=n;j++)
				out<<a[i][j]<<" ";
			out<<"\n";
		}
return 0;
}