Compilare: user.cpp: In function ‘void verificare()’: user.cpp:31:13: warning: unused variable ‘k’ [-Wunused-variable] int i,j,k,ok; ^ user.cpp:31:15: warning: unused variable ‘ok’ [-Wunused-variable] int i,j,k,ok; ^ user.cpp: In function ‘int main()’: user.cpp:48:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,max,nreg=0,ci; ^ user.cpp:78:9: warning: ‘ci’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(np[i]==ci) ^