Compilare: user.cpp: In function ‘int main()’: user.cpp:71:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long int i = 0; i < par.size(); i++) ^ user.cpp:78:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long int i = 0; i < impar.size(); i++) ^ user.cpp:102:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long int i = 0; i < par.size(); i++) ^ user.cpp:109:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long int i = 0; i < impar.size(); i++) ^