#include <fstream>
#include <climits>

int d[101][101];

const int INF = 1e9;

int main() {
    std::ifstream fin("royfloyd.in");
    std::ofstream fout("royfloyd.out");
    int n;

    fin >> n;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fin >> d[i][j];
            if (i != j && d[i][j] == 0) {
                d[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 (d[i][k] + d[k][j] < d[i][j]) {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
        }
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (d[i][j] == INF) {
                d[i][j] = 0;
            }
            fout << d[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}