Compilare: main.cpp: In member function 'void Graf::dfs_rec(int)': main.cpp:344:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 344 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs_distante(int)': main.cpp:405:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 405 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:436:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 436 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::SortareTop()': main.cpp:463:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 463 | for(int j=0; j<la[i].size(); ++j) | ~^~~~~~~~~~~~~ main.cpp:483:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 483 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_bcx(int, int, std::vector<int>&, std::vector<int>&, std::stack<Graf::muchie>&, int&, std::vector<std::set<int> >&, std::vector<bool>&)': main.cpp:505:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 505 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_mc(int, int, std::vector<int>&, std::vector<int>&, int&, std::vector<std::vector<int> >&, std::vector<bool>&)': main.cpp:592:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 592 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_ctc(int, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::set<int>&, int&, std::vector<std::set<int> >&, std::vector<bool>&)': main.cpp:661:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 661 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::Dijkstra(int)': main.cpp:814:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 814 | for(int i=0; i<la_arce[s].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:828:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 828 | for(int i=0; i<la_arce[ac.y].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::BellmanFord(int)': main.cpp:893:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 893 | for (int j = 0; j < la_arce[u].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > Graf::RoyFloyd()': main.cpp:936:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 936 | for(int j=0; j<la_arce[i].size(); ++j) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graf::bfs_maxflow(int, int)': main.cpp:981:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 981 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~