#include <fstream>

using namespace std;

int v[101][101];

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

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