#include <fstream>

using namespace std;

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

#define INF 1000000000

int n, i, j, k;
int dp[102][102];

int main()
{
    f >> n;
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++) {
            f >> dp[i][j];
            if (!dp[i][j] && i != j) {
                dp[i][j] = INF;
            }
        }
    }
    for (k = 1; k <= n; k++) {
        for (i = 1; i <= n; i++) {
            for (j = 1; j <= n; j++) {
                if (dp[i][j] > dp[i][k] + dp[k][j]) {
                    dp[i][j] = dp[i][k] + dp[k][j];
                }
            }
        }
    }
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++) {
            if (dp[i][j] == INF)
                dp[i][j] = 0;
            g << dp[i][j] << ' ';
        }
        g << '\n';
    }
    f.close();
    g.close();
    return 0;
}