Compilare: main.cpp: In member function 'void Graf::dfs(int, std::vector<int>&)': main.cpp:324:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 324 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graf::bfs(int)': main.cpp:354:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 354 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::SortareTop()': main.cpp:381:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 381 | for(int j=0; j<la[i].size(); ++j) | ~^~~~~~~~~~~~~ main.cpp:399:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 399 | 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> >&)': main.cpp:420:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 420 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Biconexe()': main.cpp:489:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 489 | for(int i=0; i<biconexe.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> >&)': 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::Muchii_critice()': main.cpp:556:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 556 | for(int i=0; i<result.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> >&)': main.cpp:572:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 572 | for(int i=0; i<la[x].size(); ++i) | ~^~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Componente_Tare_Conexe()': main.cpp:630:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 630 | for(int i=0; i<tareconexe.size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::Dijkstra()': main.cpp:717:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 717 | for(int i=0; i<la_arce[1].size(); ++i) | ~^~~~~~~~~~~~~~~~~~ main.cpp:731:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 731 | for(int i=0; i<la_arce[ac.y].size(); ++i) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::BellmanFord()': main.cpp:791:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<arc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 791 | for (int j = 0; j < la_arce[u].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~