#include <iostream>
#include <fstream>

#define INF 1000000000

using namespace std;

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

int a[105][105], i, j, n, k;
int main()
{
    f >> n;
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
        {
            f >> a[i][j];
            if(a[i][j] == 0)
                a[i][j] = INF;
        }
    }
    for(k = 1; k <= n; k++)
    {
        for(i = 1; i <= n; i++)
        {
            for(j = 1; j <= n; j++)
            {
                if(i != j and j != k and i != k)
                    if(a[i][j] > a[i][k] + a[k][j])
                        a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
        {
            if(a[i][j] == INF)
                g << 0 << " ";
            else
                g << a[i][j] << " ";
        }
        g << "\n";
    }
    return 0;
}