#include <fstream>
#define INF 1000000

using namespace std;

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

int n,i,j,x,k,a[101][101];

int main()
{
    fin >> n;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
            a[i][j] = INF;
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
        {
            fin >> x;
            if (x != 0)
                a[i][j] = x;
        }
    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                if (i != j && j != k && k != i && a[i][k] != INF && a[k][j] != INF)
                    a[i][j] = min(a[i][j], a[i][k]+a[k][j]);
    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;
}