#include <fstream>
#define infinit 100000000
#define DIM 101

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n;
int A[DIM][DIM];

void read()
{
    f>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
        {
            f>>A[i][j];
            if (A[i][j]==0 && i!=j)
                A[i][j]=infinit;
        }
    f.close();
}

void solve()
{
    for (int k=1; k<=n; k++)
        for (int i=1; i<=n; i++)
            for (int j=1; j<=n; j++)
                A[i][j]=min(A[i][j], A[i][k]+A[k][j]);
}

void write()
{
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            if (A[i][j]!=infinit)
                g<<A[i][j]<<" ";
                else
                g<<0<<" ";
        g<<"\n";
    }
    g.close();
}

int main()
{
    read();
    solve();
    write();
    return 0;
}