#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX = 101;

int n;
int a[NMAX][NMAX];
int roy[NMAX][NMAX];
int infinit = 1001;

void citeste()
{
    fin >> n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            fin >> a[i][j];

}

void floyd()
{
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
        {
            if (i==j) roy[i][j] = 0;
            else if (a[i][j] != 0) roy[i][j] = a[i][j];
            else roy[i][j] = infinit;
        }
    }
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n;j++)
            {
                if (roy[i][j] > roy[i][k] + roy[k][j])
                    roy[i][j] = roy[i][k] + roy[k][j];
            }
        }
    }
}

int main()
{
    citeste();
    floyd();
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            fout << roy[i][j] << " ";
        fout << "\n";
    }
    return 0;
}