Compilare: user.cpp: In function ‘void rezolva()’: user.cpp:23:67: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(!s.empty() && v[i] > s.back() && s.size() + n - i > m) ^ user.cpp: In function ‘void afiseaza()’: user.cpp:33:9: warning: unused variable ‘i’ [-Wunused-variable] int i = 0; ^