Compilare: user.cpp: In function ‘void rez2(int, int)’: user.cpp:27:50: warning: unused variable ‘j’ [-Wunused-variable] int minim,maxim,mij=(lung[b]-lung[a-1])>>1,i,j,valstg,valdr,ok,nr,val,x; ^ user.cpp:27:75: warning: unused variable ‘x’ [-Wunused-variable] int minim,maxim,mij=(lung[b]-lung[a-1])>>1,i,j,valstg,valdr,ok,nr,val,x; ^ user.cpp:48:14: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<val<<"\n"; ^