Compilare: main.cpp: In constructor 'Graf::Graf(int, std::vector<std::vector<int> >, bool)': main.cpp:113:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for (int i = 0; i < muchii.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(int, std::vector<bool>&)': main.cpp:154:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:171:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 171 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfsSortare(int, std::vector<int>&, std::vector<bool>&)': main.cpp:200:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 200 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfsTareConexe(int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<bool>&, std::vector<std::vector<int> >&, int&, std::vector<bool>&)': main.cpp:235:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 235 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::muchiiCritice()': main.cpp:279:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 279 | for (int j = 0; j < vecini[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfsBiconexe(int, int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<std::vector<int> >&, std::vector<bool>&)': main.cpp:297:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 297 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::arborePartialMinim(std::vector<std::pair<int, int> >&)': main.cpp:326:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchieCost>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 326 | for (int i = 0; i < muchiiCost.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:396:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 396 | for (int i = 0; i < solutie.size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'bool havelHakimi(int, std::vector<int>)': main.cpp:338:17: warning: control reaches end of non-void function [-Wreturn-type] 338 | vector<int> fr, fr2; | ^~