#include <iostream>
#include <fstream>

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

const int Nmax = 105, oo = 10000000;
int a[Nmax][Nmax], n;

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