#include<fstream.h>
#define dim 101
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[dim][dim];
int main()
{int i,j,k;

f>>n;
for(i=1;i<=n;i++)
 for(j=1;j<=n;j++)
  f>>a[i][j];
f.close();

for(k=1;k<=n;k++)
 for(i=1;i<=n;i++)
  for(j=1;j<=n;j++)
   if((i!=j)&&(a[i][k])&&(a[k][j]))
    {if(a[i][j]>(a[i][k]+a[k][j])) a[i][j]=a[i][k]+a[k][j];
      else if(!a[i][j]) a[i][j]=a[i][k]+a[k][j];
    }

for(i=1;i<=n;i++)
 {for(j=1;j<=n;j++)
   g<<a[i][j]<<" ";
  g<<'\n';
 }
g.close();
return 0;
}