Compilare: user.cpp: In function ‘int generare()’: user.cpp:14:23: warning: variable ‘gas’ set but not used [-Wunused-but-set-variable] int y=0,prim,ct=4,gas; ^ user.cpp: In function ‘int main()’: user.cpp:39:20: warning: variable ‘nr1’ set but not used [-Wunused-but-set-variable] int n,nrP,nr,i,nr1,p,j,nu,k; ^ user.cpp:39:24: warning: variable ‘p’ set but not used [-Wunused-but-set-variable] int n,nrP,nr,i,nr1,p,j,nu,k; ^