//ajungi de la un nod i la un nod j printr-un nod k

#include <fstream>
#include <climits>

using namespace std;

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

const int INF = 1e9;
const int N = 100;
int dp[N + 1][N + 1];

int n;

void roy_floyd()
{
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                dp[i][j] = min (dp[i][j], dp[i][k] + dp[k][j]);
}

int main()
{
    cin >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
        {
            cin >> dp[i][j];
            if (i != j && !dp[i][j])
                dp[i][j] = INF;
        }

    roy_floyd();
    for (int i = 1; i <= n; ++i, cout << '\n')
        for (int j = 1; j <= n; ++j)
            cout << dp[i][j] << ' ';
    return 0;
}