Compilare: main.cpp: In member function 'void Clasa_Graf::dfs(int, std::unordered_map<int, bool>&)': main.cpp:71:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for (int i=0; i<lista_adiacenta[x].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::bfs(int, std::unordered_map<int, bool>&, std::__cxx11::list<int>&)': main.cpp:87:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (int i=0; i<lista_adiacenta[x].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::DFS1(int, std::unordered_map<int, bool>&, std::vector<int>&)': main.cpp:116:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for (int i=0; i <lista_adiacenta[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::DFS2(int, int, std::unordered_map<int, bool>&, std::vector<int>*, std::vector<int>*)': main.cpp:129:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 129 | for (int i = 0; i < lista_adiacenta2[x].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::biconex(int, int, std::unordered_map<int, int>&, int*, std::stack<std::pair<int, int> >&, std::vector<std::set<int> >&)': main.cpp:140:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | for (int i=0; i<lista_adiacenta[start].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::dfs_muchie_critica(int, int, int, int*, int*, std::vector<std::vector<int> >&)': main.cpp:178:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 178 | for (int i=0; i<lista_adiacenta[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Clasa_Graf::HH(std::vector<int>)': main.cpp:206:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 206 | if (grade.size() < nodactual) | ~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::DFS_darb(int, int*, int&, int&)': main.cpp:245:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 245 | for(int i = 0; i < lista_adiacenta[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::infoarena_ctc()': main.cpp:407:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 407 | for(int j = 0; j <componente[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::leetcode_muchiecritica()': main.cpp:454:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 454 | for(int i=0; i<ans.size(); i++) | ~^~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::infoarena_bellman_ford()': main.cpp:540:16: warning: use of an operand of type 'bool' in 'operator++' is deprecated [-Wdeprecated] 540 | viz[nod]++; | ~~~~~~~^ main.cpp:557:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 557 | if(ok==1) | ^ main.cpp: In member function 'void Clasa_Graf::infoarena_apm()': main.cpp:626:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 626 | for(int i=0; i<sol_m.size(); i++)