#include <bits/stdc++.h>

using namespace std;

const int len = 105;
int n, dp[len][len];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    cin >> n;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
            cin >> dp[i][j];

    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                if (dp[i][k] && dp[k][j] && i != j && (dp[i][j] == 0 || dp[i][j] > dp[i][k] + dp[k][j]))
                    dp[i][j] = dp[i][k] + dp[k][j];

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++)
            cout << dp[i][j] << " ";
        cout << "\n";
    }
}