#include <fstream>
using namespace std;

const int INF = 9999999;

int n, C[101][101];
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int main()
{
    cin >> n;


    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
        {
            cin >> C[i][j];

            if(i != j && C[i][j] == 0)
                C[i][j] = INF;
        }


    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; j++)
                if(C[i][k] != INF && C[k][j] != INF)
                    if(C[i][k] + C[k][j] < C[i][j])
                        C[i][j] = C[i][k] + C[k][j];


    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(C[i][j] == INF)
                cout << "0 ";
            else
                cout << C[i][j] << " ";
        }
        cout << '\n';
    }

    return 0;
}