#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int n,m,x,y,teste;

int main()
{
    cin>>n;
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if (d[i][j]>=d[i][k]+d[k][j])
                    d[i][j]=d[i][k]+d[k][j];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            cout<<d[i][j]<<' ';
        cout<<endl;
    }
    return 0;
}