#include <fstream>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

#define NMAX 105

int a[NMAX][NMAX];

void roy_floyd(int n) {
    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                if (i != j && a[i][k] && a[k][j]) {
                    if (a[i][j] == 0 || a[i][j] > a[i][k] + a[k][j]) {
                        a[i][j] = a[i][k] + a[k][j];
                    }
                }
            }
        }
    }
}

int main() {
    int n;
    fin >> n;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> a[i][j];
        }
    }

    roy_floyd(n);

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