#include <fstream>
#define inf 100000
using namespace std;
ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");
int n,a[150][150],i,j,m,x,y,c;
void RoyFloyd()
{
    int i,j,k;
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                //if(a[i][j]>a[i][k]+a[k][j] )
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                           a[i][j]=a[i][k]+a[k][j];
}

int main()
{
  fi>>n;
  for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    fi>>a[i][j];
      RoyFloyd();
    for(i=1;i<=n;i++)
      {
        for(j=1;j<=n;j++)
        if(i==j)
        fo<<"0"<<" ";
    else
      if(a[i][j]==inf)
      fo<<-1<<" ";
    else
      fo<<a[i][j]<< " ";
            fo<<endl;
      }
    return 0;
}