#include <fstream>
using namespace std;

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

int a[101][101], n;

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

void fw()
{
    for (int i=1; i<=n; ++i)
        for (int j=1; j<=n; ++j)
            for (int k=1; k<=n; ++k)
                if (a[i][j]>a[i][k]+a[k][j] && a[i][k]!=0 && a[k][j]!=0)
                    a[i][j]=a[i][k]+a[k][j];
}

void afisare()
{
    for (int i=1; i<=n; ++i)
    {
        for (int j=1; j<=n; ++j)
            g<<a[i][j]<<" ";
        g<<'\n';
    }
}

int main()
{
    citire();
    fw();
    afisare();
    return 0;
}