#include <iostream>
#include <fstream>

using namespace std;

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

int n;
int a[101][101];

void citire()
{
    fin>>n;
    for (int i=1; i<=n; ++i)
        for (int j=1; j<=n; ++j)
            fin>>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] && a[k][j] && i!=j)
                    if (a[i][j] > a[i][k] + a[k][j] || !a[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)
            fout<<a[i][j]<<' ';
        fout<<'\n';
    }
}

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