Compilare: user.cpp: In function ‘bool SePoate(int)’: user.cpp:21:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<numere.size();i++) ^ user.cpp:26:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j= 0 ; j < numere.size() ; j++ ) ^ user.cpp:25:14: warning: unused variable ‘se_poate’ [-Wunused-variable] bool se_poate=false; ^ user.cpp: In function ‘int main()’: user.cpp:47:9: warning: unused variable ‘c_n’ [-Wunused-variable] int c_n=n; ^