#include<fstream>
using namespace std;
int main()
{
int a[106][106],i,j,k,n;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

f>>n;

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

   for(k=1;k<=n;k++)
      for(i=1;i<=n;i++)
         for(j=1;j<=n;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]; 

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