#include <bits/stdc++.h>
#define NMAX 101
#define oo 1000000001

using namespace std;

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

int n, mat[NMAX][NMAX];

void Citire()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            fin >> mat[i][j];
            if (i != j && mat[i][j] == 0)
                mat[i][j] = oo;
        }
}

void RoyFloyd()
{
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
            {
                if (mat[i][k] == 0 || mat[k][j] == 0)
                    continue;
                if (mat[i][j] > mat[i][k] + mat[k][j])
                    mat[i][j] = mat[i][k] + mat[k][j];
            }
}

void Afisare()
{
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            if (i != j && mat[i][j] == oo)
                fout << "0 ";
            else
                fout << mat[i][j] << ' ';
        fout << '\n';
    }
}

int main()
{
    Citire();
    RoyFloyd();
    Afisare();

    fin.close();
    fout.close();
    return 0;
}