#include <fstream>

using namespace std;

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

int a[100][100],n,i,j,k;

int main()
{
    f >> n;
    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][j]>a[i][k]+a[k][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();
}