#include <iostream>
#include <fstream>

using namespace std;

ifstream in("royfloyd.in.txt");
ofstream out("royfloyd.out.txt");
int main()
{
    int V[100][100],n;
    in>>n;

    for (int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            in>>V[i][j];

    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(V[i][k]&&V[k][j]&&(V[i][j]>V[i][k]+V[k][j]||!V[i][j]) && i != j)
                    V[i][j]=V[i][k]+V[k][j];


    for (int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            out<<V[i][j]<<' ';
        out<<endl;
    }




    return 0;
}