#include <fstream>
#include <vector>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
vector<pair<int,int>>adj[105];
int d[105][105];
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            int x;
            cin>>x;
            if(x!=0){
                adj[i].push_back({j,x});
                d[i][j]=x;
            }
            else if(i!=j) d[i][j]=1e9;
            else d[i][j]=0;
        }
    }
    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                if(d[i][j]>d[i][k]+d[k][j]){
                    d[i][j]=d[i][k]+d[k][j];
                }
            }
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<d[i][j]<<" ";
        }
        cout<<'\n';
    }
    return 0;
}