Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, Graf&)': main.cpp:91:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (int j = 1; j < graf.matriceAdiacenta[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<int>&)': main.cpp:243:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 243 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { // parcurgem nodurile adiacente nodului curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::muchiiCritice_neeficient()': main.cpp:292:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 292 | for (int j = 1; j < this->matriceAdiacenta[nod].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::MuchieCritica(int, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:331:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 331 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::sortare_topologica(int, std::vector<int>&, std::vector<int>&)': main.cpp:376:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 376 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS_darb(int, std::vector<int>&, int&, int&, int&)': main.cpp:533:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 533 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { // parcurgem nodurile adiacente nodului curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::APM(std::vector<std::vector<int> >)': main.cpp:606:23: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 606 | while (sol.size() < this->nrNoduri - 1) { | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::hamilton(std::vector<std::vector<std::pair<int, int> > >)': main.cpp:641:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 641 | for (int k = 0; k < matriceAdiacentaCosturi[j].size(); k++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:653:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 653 | for (int i = 0; i < matriceAdiacentaCosturi[0].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::BFS_amici2(int, std::vector<std::vector<int> >&)': main.cpp:672:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 672 | for (int i = 0; i < matriceAdiacenta2[nodUrm].size(); i++) { // parcurgem fiecare nod adiacent al nodului curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void infoarena_dfs()': main.cpp:712:15: warning: unused variable 'S' [-Wunused-variable] 712 | int N, M, S; | ^ main.cpp: In function 'void leetcode_CriticalConnections()': main.cpp:738:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 738 | for (int i = 0; i < result.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void havel_hakimi(std::vector<int>)': main.cpp:994:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 994 | for (int i = 0; i < grade.size() - 1; i++) {