#include<bits/stdc++.h>

#pragma gcc optimize("O3")

#define all(s) s.begin(),s.end()
#define rc(x) return cout<<x<<endl,0
#define forn(i,n) for(int i=0;i<int(n);i++)
#define len(a) (int) (a).size()

#define pb push_back
#define mp make_pair
#define fr first
#define sc second

typedef long long ll;
typedef long double ld;

const int nmax=1025;
const int mod=998244353;
const ll inf=0x3f3f3f3f3f3f3f3f;

using namespace std;

int main()
{
  freopen("royfloyd.in","r",stdin);
  freopen("royfloyd.out","w",stdout);
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n,a[101][101];
  cin>>n;
  for(int i=1;i<=n;i++)
   for(int j=1;j<=n;j++)
    cin>>a[i][j];
  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] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || (a[i][j]==0 && i!=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";
  }
}