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

#define INF 1e9

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

    int n;
    fin >> n;

    vector<vector<int>> dist(n, vector<int>(n));
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j) {
            fin >> dist[i][j];
            if (dist[i][j] == 0 && i != j)
                dist[i][j] = INF;
        }

    for (int k = 0; k < n; ++k)
        for (int i = 0; i < n; ++i)
            for (int j = 0; j < n; ++j)
                dist[i][j] = min(dist[i][k] + dist[k][j], dist[i][j]);

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j)
            fout << (dist[i][j] == INF ? 0 : dist[i][j]) << ' ';
        fout << '\n';
    }
}