///fara mat drumurilor de data asta - vezi foaie pt cum faci cu aia
#include <iostream>
#include <fstream>
#define INF 10000000
using namespace std;

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

int c[101][101];
int n;

void citire()
{
    fin >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
        {
            fin >> c[i][j];
            if(c[i][j] == 0 && i != j)
                c[i][j] = INF;
        }
}

void rez()
{
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(c[i][k] + c[k][j] < c[i][j])
                    c[i][j] = c[i][k] + c[k][j];
}

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

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