#include <iostream>
#include <fstream>

using namespace std;

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

int n, a[110][110];


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