#include <stdio.h>
#define DIM 105
int a[DIM][DIM];
int n;
void read ()
{
    int i,j;
    scanf ("%d",&n);
    for (i=1; i<=n; ++i)
        for (j=1; j<=n; ++j)
        	scanf ("%d",&a[i][j]);
}
void solve ()
{
    int i,j,k;
    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                if (i!=j && a[i][k] && a[k][j])
                    if (!a[i][j] || a[i][k]+a[k][j]<a[i][j])
                        a[i][j]=a[i][k]+a[k][j];
}
void print ()
{
    int i,j;
    for (i=1; i<=n; ++i)
    {
        for (j=1; j<=n; ++j)
            printf ("%d ",a[i][j]);
        printf ("\n");
    }
}
int main ()
{
    freopen ("royfloyd.in","r",stdin);
    freopen ("royfloyd.out","w",stdout);
    read ();
    solve ();
    print ();
    return 0;
}