#include <fstream>
#define nmax 105
using namespace std;
short a[nmax][nmax];
int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    short i,j,k,n;
    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][j]))&&a[i][k]&&a[k][j]&&(i!=j))
                {
                    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';
    }
    f.close();
    g.close();
    return 0;
}