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#include <fstream>
using namespace std;
int n, a[101][101],i,j,k;
void citire()
{
fstream f("royfloyd.in",ios::in);
f>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
f>>a[i][j];
f.close();
}
void prelucrare()
{
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] &&(a[i][j] == 0 || a[i][j] > a[i][k] + a[k][j]))
a[i][j] = a[i][k] + a[k][j];
}
void afisare()
{
fstream g("royfloyd.out",ios::out);
for(i=1; i<=n; i++)
{
for(j=1;j<=n;j++)
g<<a[i][j]<<' ';
g<<'\n';
}
g.close();
}
int main()
{
citire();
prelucrare();
afisare();
}