#include <fstream>

#define maxn 105
#define inf 1<<30
using namespace std;

int m[maxn][maxn];

int main() {
    ifstream in("royfloyd.in");
    ofstream out("royfloyd.out");
    int n;

    in >> n;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            in >> m[i][j];
            if (!m[i][j])
                m[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 (m[i][k] != inf && m[k][j] != inf && i != j)
                    m[i][j] = min(m[i][j], m[i][k] + m[k][j]);


    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (m[i][j] == inf)
                out << "0 ";
            else
                out << m[i][j] << " ";
        }
        out << "\n";
    }

    return 0;
}