Compilare: main.cpp: In member function 'void graf::sortaret(int, bool*, std::stack<int>&)': main.cpp:183:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | for (int i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::apm()': main.cpp:337:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 337 | for (int i = 0; i < mst.size(); i++) | ~~^~~~~~~~~~~~ main.cpp: In member function 'void graf::dijkstra()': main.cpp:436:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 436 | for (int i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::dfs_darb(int, int, int, int*, std::vector<int>*)': main.cpp:499:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 499 | for(int i = 0; i < adj[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::darb_1()': main.cpp:530:13: warning: 'diam' may be used uninitialized in this function [-Wmaybe-uninitialized] 530 | dfs_darb(1, diam, nod_departe, visited, adj); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:530:13: warning: 'nod_departe' may be used uninitialized in this function [-Wmaybe-uninitialized]