#include <bits/stdc++.h>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, m, d[105][105];
int main()
{
    in >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++) {
            in >> d[i][j];
            if (i != j && d[i][j] == 0) {
                d[i][j] = 1e9;
            }
        }

    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++) {
            if (d[i][j] == 1e9) {
                out << 0 << " ";
            } else {
                out << d[i][j] << " ";
            }
        }

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