#include <fstream>
#include <vector>

using namespace std;


int main() {
  ifstream cin("royfloyd.in");
  ofstream cout("royfloyd.out");
  int n;
  cin >> n; 
  vector< vector<int> > cost(n, vector<int>(n));
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      cin >> cost[i][j];
    }
  }
  for (int k = 0; k < n; k++) {
    for (int i = 0; i < n; i++) {
      if (i == k || !cost[i][k]) continue;
      for (int j = 0; j < n; j++) {
        if (i != j && j != k && (!cost[i][j] || 
              cost[i][j] > cost[i][k] + cost[k][j]) && cost[k][j]) {
          cost[i][j] = cost[i][k] + cost[k][j];
        }
      }
    }
  }
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      cout << cost[i][j] << " ";
    }
    cout << "\n";
  }
}