Compilare: main.cpp: In function 'int eucl(int, int, int, int&, int&)': main.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:31:26: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<x<<" "<<y<<'\n'; ^~~~ main.cpp:31:18: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<x<<" "<<y<<'\n'; ^~~