#include<iostream>
#include<fstream>
#define DX 105
using namespace std;
fstream fin("royfloyd.in",ios::in),fout("royfloyd.out",ios::out);
int x[DX][DX],n;

void citire();
void scrie();
void roy();

int main()
{
    citire();
    roy();
    scrie();
}
void scrie()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fout<<x[i][j]<<" ";
        }
        fout<<"\n";
    }
}

void roy()
{
    int i,j,k;
    for(k=1;k<=n;k++)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            {
                if(i!=j && x[i][k] && x[k][j] && (x[i][j]>x[i][k]+x[k][j] || x[i][j]==0)) x[i][j]=x[i][k]+x[k][j];
            }
        }
    }
}

void citire()
{
    int i,j;
    fin>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            fin>>x[i][j];
        }
    }
}