Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:36:24: error: invalid initialization of reference of type ‘int&’ from expression of type ‘long long int’ cm=cmmdc(a,b,x,y); ^ user.cpp:8:5: error: in passing argument 3 of ‘int cmmdc(int, int, int&, int&)’ int cmmdc (int a, int b, int &x, int &y) ^