Vectras 2

#include <iostream>
#include <fstream>
using namespace std;
int a[101][101];
int gri[101],gre[101];
int n,m;
int x[101], lg;
void CitireMA()
{
    int i,j;
    ifstream f("graf1.txt");
    f>>n;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            f>>a[i][j];
    }
    f.close();
}
void CitireMuc()
{
    int i,x,y;
    ifstream g("graf2.txt");
    g>>n;
    g>>m;
    for(i=1;i<=m;i++)   //while (!g.eof())  while (f>>x>>y)
    {
        g>>x>>y;
        a[x][y]=1;

    }
    g.close();
}
void VerifLantDrum()
{ int i,j,ok,s,d;
  cout <<endl;
  cout <<"Lungime lant/drum";
  cin >>lg;
  for(i=1;i<=lg;i++)
     cin >>x[i];
  ok=1;
  for(i=1;i<lg;i++)
  {
      s=x[i];d=x[i+1];
     // cout <<a[s][d]<<" ";
      if(a[s][d]==0 && a[d][s]==0)
        ok=0;
  }
  if(ok==1)
    {cout <<"E lant ";
      ok =1;
      for(i=1;i<lg;i++)
        for(j=i+1;j<=lg;j++)
          if (x[i]==x[j])
              ok=0;
      if(ok==1)
        cout <<"elem";
      else
        cout <<"Neelem,";
    }
  else
    cout <<"Nu e lant ";

  ok=1;
  for(i=1;i<lg;i++)
  {
      s=x[i];d=x[i+1];
      if(a[s][d]==0 )
        ok=0;
  }
  if(ok==1)
   {
        cout <<"E drum ";
        if(x[lg]==x[1]) //  sau a[x[n]][x[1]] ==1
                cout <<"circuit ";
   }
  else
    cout <<"Nu e drum ";

}
void AfisareG()
{
    int i,j;
    cout <<"Graf cu "<<n<<" noduri"<<endl;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        {
            cout<<a[i][j]<<" ";
        }
        cout<<endl;
    }
}

void GradeExterioare()
{
    int i,j;
    cout <<"Grade exterioare " ;
    for(i=1;i<=n;i++)
    {
      gre[i]=0;cout <<"Multimea + este ";
      for(j=1;j<=n;j++)
         { gre[i]=gre[i]+a[i][j];
           if(a[i][j]==1)
             cout <<j<<" ";
         }
      cout<<" gradul ext:" <<gre[i]<<" ";
      cout <<endl;
    }
}
void GradeInterioare()
{
    int i,j;
    cout <<"Grade interioare " ;
    for(j=1;j<=n;j++)
    {
      gri[j]=0; cout <<"Multimea - este ";
      for(i=1;i<=n;i++)
         { gri[j]=gri[j]+a[i][j];
          if(a[i][j]==1)
             cout <<i<<" ";
         }
      cout<<" gradul int:" <<gri[j]<<" ";
         cout <<endl;
    }

}



int main()
{
    int i;
    CitireMA();
    AfisareG();
    CitireMuc();
    AfisareG();
    GradeExterioare();
    GradeInterioare();
    VerifLantDrum();
    cout<<endl;

    return 0;
}