#include <iostream>
#include <fstream>

using namespace std;

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

const int oo = 1e9 + 5;
int n, adj[101][101];

int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++) {
            fin >> adj[i][j];
            if (!adj[i][j] && i != j)
                adj[i][j] = oo;
        }

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

    for (int i = 1; i <= n; i++, fout << '\n') {
        for (int j = 1; j <= n; j++)
            if (adj[i][j] == oo)
                fout << 0 << ' ';
            else
                fout << adj[i][j] << ' ';
    }
}