Compilare: main.cpp: In member function 'void graf::BFS(int)': main.cpp:170:27: 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::DFS(std::vector<bool>&, int)': main.cpp:186:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 186 | for (int i = 0; i < adj[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::sortaret(int, bool*, std::stack<int>&)': main.cpp:194:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 194 | for (int i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::apm()': main.cpp:264:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 264 | for (int i = 0; i < mst.size(); i++) | ~~^~~~~~~~~~~~ main.cpp: In member function 'void graf::dijkstra()': main.cpp:363:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 363 | for (int i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graf::darb(int, int, int, int*)': main.cpp:426:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 426 | for(int i = 0; i < adj[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'int graf::eulerian()': main.cpp:497:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 497 | for (int i = 0; i < sol.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'bool graf::bfs_cuplaj(int*, int*, int*)': main.cpp:519:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 519 | 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:536:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 536 | for (int i=0; i<adj_pair[nod].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~