Compilare: main.cpp: In member function 'void graf::BFS(int)': main.cpp:146:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 146 | for (int i = 0; i < adj[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::DFS(std::vector<bool>&, int)': main.cpp:162:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for (int i = 0; i < adj[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::dfs_ctc(int, std::vector<bool>&, std::stack<int>&, std::vector<std::vector<int> >)': main.cpp:170:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 170 | for (int i = 0; i < adj[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::sortaret(int, bool*, std::stack<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 = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::apm()': main.cpp:303:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 303 | for (int i = 0; i < mst.size(); i++) | ~~^~~~~~~~~~~~ main.cpp: In member function 'void graf::dijkstra()': main.cpp:402:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 402 | for (int i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::dfs_darb(int, int&, int&, int*)': main.cpp:465:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 465 | for(int i = 0; i < adj[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int graf::eulerian()': main.cpp:562:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 562 | for (int i = 0; i < sol.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::bfs_cuplaj(int*, int*, int*)': main.cpp:584:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 584 | for (int i=0; i<adj_pair[curr].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::dfs_cuplaj(int, int*, int*, int*)': main.cpp:601:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 601 | for (int i=0; i<adj_pair[nod].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~