#include<iostream>
#include<fstream>
#define inf 999999
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
unsigned short  a[101][101],n;
void read ()
{
    in>>n;
    for(int i=1; i<=n; ++i)
       for(int j=1; j<=n; ++j )
         {  in>>a[i][j];
             if(a[i][j]==0 && i!=j)
                  a[i][j]=inf;
         }

}

void ryf()
{
      for(int k=1; k<=n; k++)
         for(int i=1; i<=n; ++i)
            for(int j=1; j<=n; ++j )
               if(a[i][k]!=inf && a[k][j]!=inf  && a[i][j]>a[i][k]+ a[k][j])
                        a[i][j]=a[i][k]+a[k][j];


}
void afis()
{

     for(int i=1; i<=n; ++i)
       { for(int j=1; j<=n; ++j)
           out<<a[i][j]<<" ";
              out<<'\n';
       }

}
int main ()
{
     read ();
     ryf();
    afis();
    in.close();
    out.close();
      return 0;
       }