#include <iostream>
#include <fstream>
#define pinf 10000010
using namespace std;


int a[103][103], n;
ofstream g("royfloyd.out");
ifstream f("royfloyd.in");
void citire()
{
    int i,j;
    double c;
    f>>n;
    //intiliazam matricea costurilor
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
         if(i==j) a[i][j]=0;
         else a[i][j]=pinf;

    //citim matricea costurilor
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
        f>>a[i][j];

}

void Floyd_Warshall()
{
    int i,j,k;
    for(k=1;k<=n;k++)
      for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
           if(a[i][j] > a[i][k]+a[k][j]) a[i][j]=a[i][k] + a[k][j];

}
void afiseaza()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
           if(a[i][j]==pinf) g<<0;
           else g<<a[i][j]<<" ";
        g<<endl;
    }

}

int main()
{
    citire();
    Floyd_Warshall();
    afiseaza();

    f.close();
    g.close();
    return 0;
}