#include <bits/stdc++.h>

using namespace std;

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

int n, a[105][105];

int main()
{
    in >> n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
            in >> 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] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && 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++)
            out << a[i][j] << " ";
        out << '\n';
    }
    return 0;
}