Compilare: main.cpp: In function 'std::ostream& operator<<(std::ostream&, Graf&)': main.cpp:81:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for (int j = 1; j < graf.matriceAdiacenta[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<int>&)': main.cpp:233:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 233 | 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:282:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 282 | 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:321:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 321 | 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:366:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 366 | 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:521:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 521 | for (int i = 1; i < matriceAdiacenta[nod].size(); i++) { // parcurgem nodurile adiacente nodului curent | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void infoarena_dfs()': main.cpp:587:15: warning: unused variable 'S' [-Wunused-variable] 587 | int N, M, S; | ^ main.cpp: In function 'void leetcode_CriticalConnections()': main.cpp:613:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 613 | for (int i = 0; i < result.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void havel_hakimi(std::vector<int>)': main.cpp:869:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 869 | for (int i = 0; i < grade.size() - 1; i++) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:870:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 870 | for (int j = i + 1; j < grade.size(); j++) { | ~~^~~~~~~~~~~~~~ main.cpp:887:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 887 | if (grad > grade.size()) { | ~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'void infoarena_ciclu_eulerian()': main.cpp:935:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 935 | for (int i = 0; i < sol.size() - 1; i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::disjoint(int, int, int, std::vector<int>&, std::vector<int>&)': main.cpp:444:1: warning: control reaches end of non-void function [-Wreturn-type] 444 | } | ^