#include <bits/stdc++.h>
using namespace std;

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

int n;

vector <vector <int>> v;

int main ()
{
    fin >> n;

    v.resize(n + 1, vector <int> (n + 1, 0));

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            fin >> v[i][j];
    
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(v[i][k] && v[k][j] && i != j && (v[i][j] == 0 || v[i][j] > v[i][k] + v[k][j]))
                    v[i][j] = v[i][k] + v[k][j];
    
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            fout << v[i][j] << ' ';
        fout << "\n";
    }

    return 0;
}