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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, a[101][101];
void Citire();
void Rezolvare();
void Afisare();
int main()
{
Citire();
Rezolvare();
Afisare();
return 0;
}
void Afisare()
{
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
fout << a[i][j] << " ";
fout << "\n";
}
}
void Rezolvare()
{
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] && 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];
}
void Citire()
{
fin >> n;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
fin >> a[i][j];
}