#include <fstream>
using namespace std;
int n; //Nr de noduri
int a[101][101]; //Matricea de adiacenta
inline void citire()
{
ifstream fin("royfloyd.in");
fin >> n;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
fin >> a[i][j];
fin.close();
}
inline void scriere()
{
ofstream fout("royfloyd.out");
for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= n; j++)
fout << a[i][j] << ' ';
fout << '\n';
}
fout.close();
}
inline void royfloyd()
{
for (int k = 1; k <= n; k++)
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
if ((a[i][k] != 0) && (a[k][j] != 0) && (i != j))
if ((a[i][j] == 0) || ((a[i][k] + a[k][j]) < a[i][j]))
a[i][j] = a[i][k] + a[k][j];
}
int main()
{
citire();
royfloyd();
scriere();
return 0;
}