#include <bits/stdc++.h>

using namespace std;

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

const int Inf = 1e9 + 5;

int a[505][505];
int n;

int main() {
    f >> n;
    for (int i = 1; i <= n; ++ i) {
        for (int j = 1; j <= n; ++ j) {
            f >> a[i][j];
        }
    }

    for (int k = 1; k <= n; ++ k) {
        for (int i = 1; i <= n; ++ i) {
            for (int j = 1; j <= n; ++ j) {
                if (a[i][k] == 0 || a[k][j] == 0 || i == j)
                    continue;

                if (a[i][j] == 0 || (a[i][k] + a[k][j] < a[i][j])) {
                    a[i][j] = a[i][k] + a[k][j];
                }
            }
        }
    }

    for (int i = 1; i <= n; ++ i) {
        for (int j = 1; j <= n; ++ j) {
            g << a[i][j] << " ";
        }

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