graf elementar

#include <iostream>

using namespace std;
int a[100][100],v[100],n;
int k;
void citire_graf(){
    int m,x,y;
    cout<<"nr muchii: ";cin>>m;
    for(int i=1;i<=m;i++){
        cout<<"muchie:";cin>>x>>y;
    a[x][y]=a[y][x]=1;
    }
}
void afisare(int n){
for(int i=1;i<=n;i++)
{for(int j=1;j<=n;j++)
    cout<<a[i][j]<<" ";
    cout<<"\n";
}

}

void citire_secventa(){

cout<<"nr elem: ";cin>>k;
for(int i=1;i<=k;i++)
    cin>>v[i];
}

bool eLant(){
for(int i=1;i<k;i++)
    if(a[v[i]][v[i+1]]==0)
        return false;

return true;
}
bool elemetrar(){
if(eLant()){
for(int i=1;i<=n;i++)
    for(int j=i+1;j<=n;j++)
        if(v[i]==v[j])
            return false;
return true;
}
return false;
}
int main()
{cout<<"noduri: ";cin>>n;
citire_graf();
afisare(n);
citire_secventa();
if(elemetrar())
    cout<<"da";
else
    cout<<"nu";
    return 0;
}