#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

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

vector <vector <int> > m(100, vector <int> (100));

int main() {
    int n;

    in >> n;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            in >> m[i][j];
            if (m[i][j] == 0)
                m[i][j] = 0x3f3f3f3f;
        }
    }

    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                if (i != j && m[i][j] > m[i][k] + m[k][j])
                    m[i][j] = m[i][k] + m[k][j];
    
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (m[i][j] == 0x3f3f3f3f)
                out << "0 ";
            else
                out << m[i][j]<< ' ';
        }
        out << '\n';
    }
    return 0;
}