Compilare: main.cpp: In constructor 'Graf::Graf(int, std::vector<std::vector<int> >, bool)': main.cpp:123:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for (int i = 0; i < muchii.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(int, std::vector<bool>&)': main.cpp:176:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 176 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:193:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 193 | 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:222:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 222 | 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:257:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 257 | for (int i = 0; i < vecini[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::muchiiCritice()': main.cpp:301:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 301 | 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:319:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 319 | 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:348:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchieCost>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 348 | for (int i = 0; i < muchiiCost.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::dijkstra(int)': main.cpp:376:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 376 | for (int i = 0; i < veciniCost[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graf::bellmanFord(int, std::vector<int>&)': main.cpp:415:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 415 | for (int i = 0; i < veciniCost[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool havelHakimi(int, std::vector<int>)': main.cpp:468:17: warning: control reaches end of non-void function [-Wreturn-type] 468 | vector<int> fr, fr2; | ^~