Răspuns:
#include <iostream>
using namespace std;
int main()
{
int a,b,c;
cout<<"Introduceti 2 numere:"<< endl;
cout<<"a=";
cin>>a;
cout<<"b=";
cin>>b;
if(a==b-1 || b==a-1)
{
cout<<"Numerele "<< a << " si "<< b<< " sunt consecutive.";
}else if((a==b-2 || b==a-2) && a%2==0)
{
cout<<"Numerele "<< a << " si "<< b<< " sunt pare consecutive.";
}else if((a==b-2 || b==a-2) && a%2==1)
{
cout<<"Numerele "<< a << " si "<< b<< " sunt impare consecutive.";
}else cout<<"Numerele "<< a << " si "<< b<< " nu sunt consecutive.";
}
