#include <iostream>
#include <fstream>

using namespace std;

int n,a[105][105];

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

void citire ()
{
    int i,j;
    f>>n;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
            f>>a[i][j];
}

void Lungime_drumuri ()
{
    int i,j,k;
    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];
}

int main()
{
    int i,j;
    citire ();
    Lungime_drumuri ();

    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
            g<<a[i][j]<<' ';
        g<<endl;
    }

    f.close ();
    g.close ();
    return 0;
}