Cod sursa(job #2195476)

Utilizator verde.cristian2005Verde Flaviu-Cristian verde.cristian2005 Data 16 aprilie 2018 15:21:03
Problema Sortare topologica Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.68 kb
#include <fstream>
using namespace std;
ifstream in("sortaret.in");
ofstream out("sortaret.out");
int T[2][100005],start[50005],d[50005],cnt,x[50005];
void umple(int poz)
{
    cnt++;
    d[poz]=cnt;
    int i;
    for(i=start[poz]; i>0; i=T[1][i])
        if(d[T[0][i]]==0)
            umple(T[0][i]);
}
int main()
{
    int k=0,n,m,l,i,j;
    in>>n>>m;
    for(l=1; l<=m; l++)
    {
        in>>i>>j;
        T[0][++k]=j;
        T[1][k]=start[i];
        start[i]=k;
    }
    for(i=1; i<=n; i++)
    {
        if(d[i]==0)
            umple(i);
    }
    for(i=1;i<=n;i++)
        x[d[i]]=i;
    for(i=1;i<=n;i++)
        out<<x[i]<<" ";
    return 0;
}