# include <fstream>
# include <algorithm>
# define inf 10000000
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 (i!=j && a[i][j]==0) a[i][j]=inf;
        }

    for (k=1; k<=n; ++k)
        for (i=1; i<=n; ++i)
            for (j=1; j<=n; ++j)
                a[i][j]=min(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;
}