/// patratele
#include <bits/stdc++.h>
using namespace std;

#define NMAX 110
#define pb push_back

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

int i, j, k, n, mat[110][110];

int main()
{
  // ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  fin >> n;
  for (i = 1; i <= n; i++)
    for (j = 1; j <= n; j++)
    {
      fin >> mat[i][j];
      if (mat[i][j] == 0)
        mat[i][j] = 1e9;
    }
  for (i = 1; i <= n; i++)
    mat[i][i] = 0;
  for (j = 1; j <= n; j++)
    for (i = 1; i <= n; i++)
      for (k = 1; k <= n; k++)
      {
        mat[i][k] = min(mat[i][k], mat[i][j] + mat[j][k]);
      }
  for (i = 1; i <= n; i++)
  {
    for (j = 1; j <= n; j++)
    {
      if (mat[i][j] == 1e9)
        fout << 0 << " ";
      else
        fout << mat[i][j] << " ";
    }
    fout << '\n';
  }
  return 0;
}