Compilare: main.cpp: In member function 'void graf::afisare_lista()': main.cpp:122:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 122 | for(auto j=0 ; j<lista[i].size(); j++) | ~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::afisare_muchii()': main.cpp:143:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | for(auto i=0 ; i<muchii.size(); i++) | ~^~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::havel_hakimi_verificare(std::vector<int>&)': main.cpp:304:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 304 | if( cnt > secv.size()) return false; //verific ca nu ies din secventa | ~~~~~^~~~~~~~~~~~~ main.cpp:288:23: warning: unused variable 'nr' [-Wunused-variable] 288 | int sum= 0, ok=1, nr; | ^~ main.cpp: In member function 'std::pair<int, int> graf::BFS_darb(int)': main.cpp:828:9: warning: 'dest' may be used uninitialized in this function [-Wmaybe-uninitialized] 828 | int dest; | ^~~~ main.cpp:827:9: warning: 'diametru' may be used uninitialized in this function [-Wmaybe-uninitialized] 827 | int diametru; | ^~~~~~~~