Compilare: user.cpp: In function ‘void Interschimba(int, int, int)’: user.cpp:34:10: warning: variable ‘a’ set but not used [-Wunused-but-set-variable] char a[16001]; ^ user.cpp: In function ‘void Cautare(int, int&)’: user.cpp:67:8: warning: unused variable ‘i’ [-Wunused-variable] int i,j,aux,lga,q; ^ user.cpp: In function ‘int Comparare(int, int)’: user.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^