Graf orientat tare conex

  Graf orientat tare conex   #include<fstream.h>#include<conio.h>int s[50],a[50][50],n,suc[50],pred[50],i,j;void citire(char fis[20],int a[50][50],int&n){ fstream f(fis,ios::in); int i,j; f>>n; while(f>>i>>j) a[i][j]=1; f.close();} void df1 (int nod){ int k; suc[nod]=i; for (k=1;k<=n;k++) if ((a[nod][k]==1) && (suc[k]==0)) df1(k);}void df2(int nod){ int k; pred[nod]=i; for (k=1;k<=n;k++) if((a[k][nod]==1)&&(pred[k]==0)) df2(k);}void main(){citire(“fis.txt”,a,n);cout<<“nodul de pornire:”;cin>>i;suc[i]=pred[i]=i;df1(i);df2(i);for(j=1;j<=n;j++)if((suc[j]==pred[j])&&(suc[j]==i))cout<<j<<” “;getch();} {joscommentenable}