#include <fstream>
using namespace std;

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

const int N = 100;
const int INF = 1e9;
int n, m[N + 1][N + 1];

int main()
{
    cin >> n;

    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
        {
            cin >> m[i][j];
            if(m[i][j] == 0 && i != j)
                m[i][j] = INF;
        }

    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(m[i][k] + m[k][j] < m[i][j])
                    m[i][j] = m[i][k] + m[k][j];

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(m[i][j] == INF)
                m[i][j] = 0;
            cout << m[i][j] << " ";
        }
        cout << '\n';
    }
    return 0;
}