#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");


int a[101][101],n;

void citire()
{
    in>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            in>>a[i][j];
    
}

void RoyFloyd()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(a[i][k] != 0 && a[k][j] != 0 && (a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
}

void afisare()
{
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            out<<a[i][j]<<" ";
        out<<'\n';
    }
    
}

int main()
{
    citire();
    RoyFloyd();
    afisare();
}