#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int A[105][105],B[105][105],i,j,k,n;
int main()
{f>>n;
 for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    {f>>A[i][j];
     B[i][j]=A[i][j];
    }
 for(k=1;k<=n;k++)
  for(i=1;i<=n;i++)
   for(j=1;j<=n;j++)
     if (B[i][k] && B[k][j] && (B[i][j] > B[i][k] + B[k][j] || !B[i][j]) && i != j) B[i][j] = B[i][k] + B[k][j];
      B[i][j]=B[i][k]+B[k][j];
for(i=1;i<=n;i++)
   {for(j=1;j<=n;j++)
   g<<B[i][j]<<' ';
   g<<'\n';
   }

    return 0;
}