# include <fstream>
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];

    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][k]+a[k][j] || !a[i][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";
    }
    return 0;
}