#include<fstream>
#define n_maxim 105
#define inf 1000000000
using namespace std;

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

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