#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("a.in");
ofstream fout("a.out");

int n,v[100][100];
const int inf=99999;

void citire()
{
    fin>>n;
    for (int i=1; i<=n; i++)
        for (int j=1; j<=n; j++)
        {
            fin>>v[i][j];
            if (i!=j && v[i][j]==0) v[i][j]=inf;
        }
    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 (v[i][j]>v[i][k]+v[k][j])
                    v[i][j]=v[i][k]+v[k][j];
}

void afisare()
{
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
            fout<<v[i][j]<<" ";
        fout<<endl;
    }
}

int main()
{
    citire();
    rf();
    afisare();
    fout.close();
}