# include <fstream>
# define inf 1000000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int i,j,n,k;
int a[105][105];
int main ()
{
    f>>n;
    for (i=1; i<=n; ++i)
        for (j=1; j<=n; ++j)
        {
            f>>a[i][j];
            if (a[i][j]==0 && i!=j) a[i][j]=inf;
        }

    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                if (a[i][j]>a[i][k]+a[k][j]) a[i][j]=a[i][k]+a[k][j];

    for (i=1; i<=n; ++i)
    {
        for (j=1; j<=n; ++j)
        {
            if (a[i][j]==inf) g<<"0 ";
            else g<<a[i][j]<<" ";
        }
        g<<"\n";
    }
    return 0;
}