#include <fstream>
using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

#define MAX 105

int n, a[MAX][MAX];

void royfloyd()
{
    for(int k = 1; k <= n; ++k)
    {
        for(int i = 1; i <= n; ++i)
        {
            for(int j = 1; j <= n; ++j)
            {
                if(i != j and i != k and j != k and a[i][k] != 0 and a[k][j] != 0 and (a[i][j] > a[i][k] + a[k][j] or a[i][j] == 0))
                {
                    a[i][j] = a[i][k] + a[k][j];
                }
            }
        }
    }
}

int main()
{
    cin >> n;
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            cin >> a[i][j];
        }
    }
    royfloyd();
    for(int i = 1; i <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            cout << a[i][j] << ' ';
        }
        cout << '\n';
    }
    return 0;
}