Compilare: main.cpp: In member function 'void Graph::DFS(int)': main.cpp:82:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(int i = 0; i < adiacenta[vf].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::Solve_APM()': main.cpp:266:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Graph::Muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 266 | for (int i = 0; i < rezultat.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:243:15: warning: unused variable 'n1' [-Wunused-variable] 243 | int n, M, n1, n2; | ^~ main.cpp:243:19: warning: unused variable 'n2' [-Wunused-variable] 243 | int n, M, n1, n2; | ^~ main.cpp: In member function 'void Graph::bfs(int, std::queue<int>&)': main.cpp:325:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 325 | for(int i=0;i<adiacenta[el].size();i++){ | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::Solve_Eulerian()': main.cpp:495:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 495 | for(int i = 0; i < output.size() - 1; ++i) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In static member function 'static bool Graph::cuplaj(int, int (&)[100001], int (&)[100001], int (&)[100001], std::vector<int> (&)[100001])': main.cpp:509:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 509 | for (int i = 0; i < a[x].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp:522:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 522 | for (int i = 0; i < a[x].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Graph::Solve_Cuplaj()': main.cpp:575:19: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] 575 | out << ans << '\n'; | ^~~~