#include <fstream>

using namespace std;

const int INF = 1 << 20;

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

int main()
{
    int n, a[101][101];
    in>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
        {
            in>>a[i][j];
            if (i != j && a[i][j] == 0)
            {
                a[i][j] = INF;
            }
        }
    for (int k=1; k<=n; k++)
    {
        for (int i=1; i<=n; i++)
        {
            for (int j=1; j<=n; j++)
            {
                if (a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
            }
        }
    }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            if (a[i][j] == INF)
            {
                a[i][j] = 0;
            }
            out<<a[i][j]<<" ";
        }
        out<<"\n";
    }
    return 0;
}