Compilare: user.cpp: In function ‘int weight(Nod*)’: user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] return lf+rt+1; ^ user.cpp: In function ‘Nod* right_rotate(Nod*)’: user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:17:9: note: ‘lf’ was declared here int lf,rt; ^ user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] return lf+rt+1; ^ user.cpp:17:9: note: ‘lf’ was declared here int lf,rt; ^ user.cpp: In function ‘Nod* left_rotate(Nod*)’: user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] return lf+rt+1; ^ user.cpp:17:9: note: ‘lf’ was declared here int lf,rt; ^ user.cpp: In function ‘Nod* balance(Nod*)’: user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] return lf+rt+1; ^ user.cpp:17:9: note: ‘lf’ was declared here int lf,rt; ^ user.cpp: In function ‘void nthelement(Nod*, int)’: user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] return lf+rt+1; ^ user.cpp:17:9: note: ‘lf’ was declared here int lf,rt; ^ user.cpp:29:14: warning: ‘lf’ may be used uninitialized in this function [-Wmaybe-uninitialized] return lf+rt+1; ^ user.cpp:17:9: note: ‘lf’ was declared here int lf,rt; ^