#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");


int a[105][105], n;




int main()
{
    in>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            in>>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]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && 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++){
            out<<a[i][j]<<" ";
        }
        out<<endl;
    }

}