Compilare: user.cpp: In function ‘int main()’: user.cpp:14:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(sir);i++) ^ user.cpp:37:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();i++) ^ user.cpp:43:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<cuv.size();i++) ^ user.cpp:12:30: warning: unused variable ‘verif’ [-Wunused-variable] int i,j,ok=1,nrP,z,numar,verif; ^