#include <bits/stdc++.h>

using namespace std;

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

int n, d[101][101];

int main()
{
    fin >> n;

    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            fin >> d[i][j];

    ///Floyd Warshall
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (d[i][k] && d[k][j] && (d[i][j] > d[i][k] + d[k][j] || !d[i][j]) && i != j)
                    d[i][j] = d[i][k] + d[k][j];

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            fout << d[i][j] << ' ';
        fout << '\n';
    }
    return 0;
}