#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    int n,i,j,k,**a;
    f>>n;
    a= new int* [n+1];
    for (i=1;i<=n;i++)
        a[i]=new int[n+1];
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            f>>a[i][j];
    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];
        }
    }
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            g<<a[i][j]<<" ";
        g<<"\n";
    }
    f.close();
    g.close();
    return 0;
}