#include <cstdio>

using namespace std;

int d[101][101];

int main()
{
    freopen ("royfloyd.in","r",stdin);
    freopen ("royfloyd.out","w",stdout);

    int n;
    scanf ("%d",&n);

    int i,j,k;
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
        {
            scanf ("%d",&d[i][j]);
            if (d[i][j]==0)
            {
                d[i][j]=1000000000;
            }
        }
    }

    for (k=1; k<=n; k++)
    {
        for (i=1; i<=n; i++)
        {
            for (j=1; j<=n; j++)
            {
                if ((d[i][j]>d[i][k]+d[k][j])&&i!=j)
                {
                    d[i][j]=d[i][k]+d[k][j];
                }
            }
        }
    }

    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
        {
            if (i==j||d[i][j]==1000000000)
            {
                printf ("0 ");
            }
            else
            {
                printf ("%d ",d[i][j]);
            }
        }
        printf ("\n");
    }

    return 0;
}