#include <fstream>
#include <vector>

using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int main() {

  int n;
  cin >> n;

  vector < vector < int > > dist(n + 1, vector < int > (n + 1));
  for (int i = 1; i <= n; i ++) {
    for (int j = 1; j <= n; j ++) {
      cin >> dist[i][j];
    }
  }

  for (int k = 1; k <= n; k ++) {
    for (int i = 1; i <= n; i ++) {
      for (int j = 1; j <= n; j ++) {
        if (dist[i][k] and dist[k][j] and (i != j) and
          (dist[i][j] > dist[i][k] + dist[k][j] or (not dist[i][j]))) {
          dist[i][j] = dist[i][k] + dist[k][j];
        }
      }
    }
  }

  for (int i = 1; i <= n; i ++) {
    for (int j = 1; j <= n; j ++) {
      cout << dist[i][j] << ' ';
    }
    cout << '\n';
  } 
}