#include <bits/stdc++.h>

using namespace std;

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

int a[105][105] , n , m;

int main()
{
    f >> n ;

    for ( int i = 1 ; i <= n ; i++)
        for ( int j = 1 ; j <= n ; j++)
             a[i][j] = -1;

    for ( int i = 1 ; i <= n ; i++)
        for ( int j = 1 ; j <= n ; j++)
            f >> a[i][j] ;

    for ( int k = 1 ; k <= n ; k ++)
        for ( int i = 1 ; i <= n ; i++)
            for ( int j = 1 ; j <= n ; j++)
                if(a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];

    for ( int i = 1 ; i <= n ; i++ , g << '\n')
        for ( int j = 1 ; j <= n ; j++)
            if(a[i][j] == -1)
                g << 0 << " ";
            else
                g << a[i][j] << " ";

    return 0;
}