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Cod sursa(job #202174)
#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int a[101][101],n;
void citire()
{
fin>>n;
for (int i=0;i<n;i++)
for (int j=0;j<n;j++)
fin>>a[i][j];
}
void roy_floyd()
{
for (int k=0;k<n;k++)
for (int i=0;i<n;i++)
for (int j=0;j<n;j++)
if (a[i][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
}
void afisare()
{
for (int i=0;i<n;i++)
{
for (int j=0;j<n;j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
}
int main ()
{
citire();
roy_floyd();
afisare();
return 0;
}