Compilare: main.cpp: In function 'Node* cauta(Node*, int)': main.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int cauta_mare(Node*, int)': main.cpp:291:9: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] int nr_aux; ^~~~~~ main.cpp: In function 'int cauta_mic(Node*, int)': main.cpp:306:9: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] int nr_aux; ^~~~~~ main.cpp: In function 'void sortare(Node*, int, int)': main.cpp:323:14: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] while(val<dr){ ~~~^~~ main.cpp: In function 'int main()': main.cpp:345:32: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] if(t==6){f>>st>>dr; st = cauta_mic(root, st); dr = cauta_mare(root, dr); sortare(root, st, dr);} ~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:345:103: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] if(t==6){f>>st>>dr; st = cauta_mic(root, st); dr = cauta_mare(root, dr); sortare(root, st, dr);} ^ main.cpp:343:52: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] if(t==5){ f>>val; g<<cauta_mic(root, val)<<"\n";} ^~~~ main.cpp:341:53: warning: 'nr_aux' may be used uninitialized in this function [-Wmaybe-uninitialized] if(t==4){ f>>val; g<<cauta_mare(root, val)<<"\n";} ^~~~