#include<fstream>
using namespace std;
int v[101][101];
int main()
{
	int n,i,j,k;
	ifstream in("royfloyd.in");
	ofstream out("royfloyd.out");
	in>>n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			in>>v[i][j];
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (v[i][k]&&v[k][j]&&(v[i][j]>v[i][k]+v[k][j]||!v[i][j])&&i!=j)
			
					v[i][j]=v[i][k]+v[k][j];
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			out<<v[i][j]<<" ";
		out<<'\n';
	}
	in.close();
	out.close();
	return 0;
}