#include <fstream>

using namespace std;

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

const int NMAX = 100;
const int INF = 1e9;

int N;
int d[NMAX + 2][NMAX + 2];

int main()
{
    cin >> N;

    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            d[i][j] = INF;

    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            {
                cin >> d[i][j];
                if(d[i][j] == 0)
                    d[i][j] = INF;
            }

    for(int k = 1; k <= N; k++)
        for(int j = 1; j <= N; j++)
            if(j != k && d[j][k] != INF)
                for(int p = 1; p <= N; p++)
                    if(j != p && k != p && d[k][p] != INF)
                        d[j][p] =  min(d[j][p], d[j][k] + d[k][p]);

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

    return 0;
}