Compilare: user.cpp: In function ‘bool compara(soldat, soldat)’: user.cpp:27:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<soldat1.ID.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:98:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<soldati[i].ID.size(); j++) ^ user.cpp:49:100: warning: unused variable ‘id_pluton_numar_max_soldati’ [-Wunused-variable] int n, id, numar_total_plutoane=0, numar_max_soldati=0, numar_plutoane_cu_numar_max_soldati=0, id_pluton_numar_max_soldati, numar_soldati=0; ^ user.cpp:49:129: warning: unused variable ‘numar_soldati’ [-Wunused-variable] int n, id, numar_total_plutoane=0, numar_max_soldati=0, numar_plutoane_cu_numar_max_soldati=0, id_pluton_numar_max_soldati, numar_soldati=0; ^