#include <iostream>
#include <fstream>
#include <cstring>

using namespace std;

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

const int INF = 1e9;
int n;
int v[101][101];

int main()
{
    in >> n;

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            in >> v[i][j];

            if(i != j && v[i][j] == 0)
                v[i][j] = INF;
        }
    }

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                v[i][j] = min(v[i][j], v[i][k] + v[k][j]);

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
            out << v[i][j] << ' ';

        out << '\n';
    }

    return 0;
}