#include <iostream>
#include <fstream>
using namespace std;

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

int main() {
    int n, dp[101][101];

    in >> n;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            in >> dp[i][j];
            dp[i][j] = dp[i][j] ? dp[i][j] : 1001;
        }
    }

    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
            }
        }
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (i == j || dp[i][j] == 1001)
                out << 0 << " ";
            else
                out << dp[i][j] << " ";
        }
        out << '\n';
    }

    return 0;
}