#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int INF = 1000000005;
const int DIM = 105;

int v[DIM][DIM],n;

void Read()
{
    fin>>n;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            fin>>v[i][j];
            if(!v[i][j])
                v[i][j]=INF;
        }
    }
}

void Solve()
{
    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] && i!=j)
                    v[i][j]=v[i][k]+v[k][j];
            }
        }
    }
}

void Print()
{
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            if(v[i][j]==INF)
                fout<<0<<" ";
            else
                fout<<v[i][j]<<" ";
        }
        fout<<'\n';
    }
}

int main()
{
    Read();
    Solve();
    Print();
}