#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[105][105];

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

void roywarshall()
{
    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]&&a[k][j]&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])&&i!=j)
                    a[i][j]=a[i][k]+a[k][j];
}

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

int main()
{
    citire();
    roywarshall();
    afisare();
    return 0;
}