Compilare: main.cpp: In member function 'void Clasa_Graf::dfs(int, std::unordered_map<int, bool>&)': main.cpp:83:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | 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:99:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | 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:128:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | 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:141:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | 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:152:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 152 | 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:190:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 190 | for (int i=0; i<lista_adiacenta[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Clasa_Graf::HH(std::vector<int>)': main.cpp:218:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 218 | if (grade.size() < nodactual) | ~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::DFS_darb(int, int*, int&, int&)': main.cpp:257:22: 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 < lista_adiacenta[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::infoarena_ctc()': main.cpp:422:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 422 | for(int j = 0; j <componente[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::leetcode_muchiecritica()': main.cpp:469:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 469 | for(int i=0; i<ans.size(); i++) | ~^~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::infoarena_bellman_ford()': main.cpp:573:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 573 | if(ok==1) | ^ main.cpp: In member function 'void Clasa_Paduri::infoarena_apm()': main.cpp:642:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 642 | for(int i=0; i<sol_m.size(); i++) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Clasa_Graf::infoarena_ciclueuler()': main.cpp:796:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]