#include <fstream>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int a[1001][1001],i,j,k,n;

int main()
{
    fin>>n;
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        {
            fin>>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][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++)
            fout<<a[i][j]<<" ";
        fout<<"\n";
    }
    return 0;
}