#include<fstream>
using namespace std;

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

const int NMAX = 103;
const int inf = 1000000000;

int n,i,j,k,a[NMAX][NMAX];

int main()
{
    cin>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
    {
        cin>>a[i][j];
        if (a[i][j]==0 && i!=j) a[i][j]=inf;
    }
    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
          a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
   for (i=1;i<=n;i++)
   {
       for (j=1;j<=n;j++)
        if (a[i][j]==inf) cout<<"0 ";
            else cout<<a[i][j]<<" ";
      cout<<"\n";
   }
   return 0;
}