/// GymBrogrammers ///
#include <bits/stdc++.h>
const int mod = 1e9 + 7;
const int inf = 0x3f3f3f3f;
const char sp = ' ', nl = '\n';
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int N = 100;
int d[N + 1][N + 1]{0};

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    fin >> n;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> d[i][j];
            if (!d[i][j] && i != j) {
                d[i][j] = inf;
            }
        }
    }
    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                d[i][j] = min(d[i][j], d[i][k] + d[k][j]);
            }
        }
    }
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fout << (d[i][j] != inf ? d[i][j] : 0) << sp;
        }
        fout << nl;
    }
}