//#include <iostream>
#include <fstream>
using namespace std;
int d[105][105];
int main()
{
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>d[i][j];
            if(d[i][j]==0){
                d[i][j]=1000000000;
            }
        }
    }

    for(int k=1;k<=n;k++){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=n;j++){
                if(i!=j)
                d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
            }
        }
    }
    //cout<<"\n\n";
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(d[i][j]==1000000000)
            d[i][j]=0;
            cout<<d[i][j]<<" ";
        }
        cout<<"\n";
    }
    return 0;
}