#include <iostream>
#include <fstream>
#include <climits>
using namespace std;

int main()
{
    int n, i, j, k;
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    fin>>n;
    int A[n][n];
    for (i=1; i<=n; i++)
        for (j=1; j<=n; j++)
        {
            fin>>A[i][j];
        }

    for (k=1; k<=n; k++)
        for (i=1; i<=n; i++)
            for (j=1; j<=n; j++)
                if ((A[i][k]+A[k][j]<A[i][j])&&(i!=j))
                    A[i][j]=A[i][k]+A[k][j];

   for (i=1; i<=n; i++)
      {for (j=1; j<=n; j++)
        fout<<A[i][j]<<" ";

        fout<<"\n";

      }

}