#include <iostream>
#include <fstream>
using namespace std;

int n,m[105][105];

void read(){

    fstream fin("royfloyd.in",ios::in);

    fin >> n;

    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            fin >> m[i][j];
    fin.close();
}

void rf(){

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

void write(){

    fstream fout("royfloyd.out",ios::out);

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            fout << m[i][j] << " ";
        fout << "\n";
    }
}

int main()
{
    read();
    rf();
    write();
    return 0;
}