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

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

int n, dist[110][110];
int main()
{
    fin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            fin >> dist[i][j];


    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                if (dist[i][j] > dist[i][k] + dist[k][j] && dist[i][k] && dist[j][k])
                    dist[i][j] = dist[i][k] + dist[k][j];
            }
        }
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fout << dist[i][j] << ' ';
        }

        fout << '\n';
    }
    return 0;
}