Compilare: user.cpp: In function ‘int Creare_arb(int, int, int)’: user.cpp:18:7: warning: unused variable ‘v1’ [-Wunused-variable] { int v1,v2; ^ user.cpp:18:10: warning: unused variable ‘v2’ [-Wunused-variable] { int v1,v2; ^ user.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int cautare_binara(int, int, int, int)’: user.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type] } ^