#include <fstream>
using namespace std;

#define INF 1<<30
#define NMAX 101

int N, mat[NMAX][NMAX];
ifstream f("royfloyd.in");  
ofstream g("royfloyd.out");

int main(void)
{
  int i, j;
  f >> N;
  for (i=1;i<=N;i++)
    for (j=1;j<=N;j++){
      f >> mat[i][j];
      if (i!=j && mat[i][j] == 0) {
        mat[i][j] = INF;
      }
    }
  for (int k=1;k<=N;k++) 
    for (int i=1;i<=N;i++)
      for (int j=1;j<=N;j++)
        if (mat[i][j] > mat[i][k]+mat[k][j])
          mat[i][j] = mat[i][k]+mat[k][j];
  for (int i=1;i<=N;i++) {
    for (int j=1;j<=N;j++) 
      g<<mat[i][j]<<" ";
    g<<"\n";
  }
  f.close();  g.close();
  return 0;
}