#include <bits/stdc++.h>

using namespace std;

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

int n, a[101][101];

void Roy_Warshall() {
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (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 i, j, cost;
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++) {
            fin >> cost;
            a[i][j] = cost;
        }
    Roy_Warshall();
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++)
            if (i != j)
                fout << a[i][j] << ' ';
            else
                fout << '0' << ' ';
        fout << '\n';
    }
    return 0;
}