#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
const int nmax=105,inf=0x3F3F3F3F;
int main()
{
    int n,a[nmax][nmax];
    fin >> n;
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            fin >> a[i][j];
            if (a[i][j]==0 && i!=j) a[i][j]=inf;
        }
    }
    for (int k=1;k<=n;k++)
    {
        for (int i=1;i<=n;i++)
        {
            for (int j=1;j<=n;j++)
            {
                if (a[i][k]+a[k][j]<a[i][j])
                {
                    a[i][j]=a[i][k]+a[k][j];
                }
            }
        }
    }
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            fout << a[i][j] << " ";
        }
        fout << '\n';
    }
}