#include <bits/stdc++.h>

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