#include <iostream>
#include <fstream>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n, a[101][101], x;
const int INF = 1000000001;

int main()
{
    f >> n;
    for (int i = 1; i<=n; ++i)
        for (int j = 1; j<=n; ++j)
        {
            f >> x;
            if (x == 0)
                a[i][j] = INF;
            else
                a[i][j] = x;
        }

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

    for (int i = 1; i<=n; ++i)
    {
        for (int j = 1; j<=n; ++j)
        {
            if (a[i][j] == INF)
                g << 0 << ' ';
            else
                g << a[i][j] << ' ';
        }
        g << '\n';
    }
    return 0;
}