#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

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

const int inf = 0x3f3f3f3f;

int main()
{
    int n;
    fin >> n;
    int** a = new int*[n];

    for (int i = 0; i < n; ++i)
        a[i] = new int[n];

    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
        {
            fin >> a[i][j];
            if(a[i][j] == 0)
                a[i][j] = inf;
        }

    for (int k = 0; k < n; ++k)
    {
        for (int i = 0; i < n; ++i)
        {

            for (int j = 0;  j < n; ++j)
            {
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
            }
        }
    }

    for (int i = 0; i < n; ++i, fout << '\n')
    {
        for (int j = 0; j < n; ++j)
        {
            if(a[i][j] != inf && i != j)
                fout << a[i][j] << ' ';
            else
                fout << "0 ";
        }
    }
    return 0;
}