#include <bits/stdc++.h>

using namespace std;

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

int n, i, j, a[101][101], k, INF = 100001;

int main()
{
    fin >> n;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
        {
            fin >> a[i][j];
            if (a[i][j] == 0 && i != j)
            {
                a[i][j] = INF;
            }
        }
    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                if (a[i][j] > a[i][k] + a[k][j] && i != j)
                {
                    a[i][j] = a[i][k] + a[k][j];
                }
    fout << "\n";
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=n; j++)
            if (a[i][j] == INF)
            {
                fout << 0 << " ";
            }
            else
            {
                fout << a[i][j] << " ";
            }
        fout << "\n";
    }
    return 0;
}