#include <bits/stdc++.h>
#define in "royfloyd.in"
#define out "royfloyd.out"
using namespace std;
ifstream fin(in);
ofstream fout(out);

int n;
int a[103][103];

void Citire()
{
    int i,j;

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

void RF()
{
    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 && j != k && k != i)
                    if (a[i][k] && a[k][j] && i != j)
                        if (a[i][k] + a[k][j] < a[i][j] || !a[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 << "\n";
    }
}

int main()
{
    Citire();
    RF();
    Afisare();

    fin.close();
    fout.close();
    return 0;
}