Compilare: main.cpp: In member function 'void graph::bfs(int)': main.cpp:55:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i = 0; i < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::dfs(int)': main.cpp:74:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int i = 0; i < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::dfs_ctc_1(int)': main.cpp:87:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(int i = 0; i < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::dfs_ctc_2(int)': main.cpp:103:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for(int i = 0; i < ReverseG[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::dfs_topo(int)': main.cpp:116:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for(int i = 0; i < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::dfs_biconex(int, int)': main.cpp:133:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 133 | for(int i = 0; i < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::dfs_muchii(int, int)': main.cpp:183:26: 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 < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'int graph::bfs_diam(int, int&)': main.cpp:262:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 262 | for(int i = 0; i < G[node].size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::solve_ctc()': main.cpp:373:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 373 | for(int j = 0; j < sol[i].size(); ++j) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::solve_biconex()': main.cpp:435:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 435 | for(int j = 0; j < sol[i].size(); ++j) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<std::vector<int> > graph::criticalConnections(int, std::vector<std::vector<int> >&)': main.cpp:451:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 451 | for(int i = 0; i < connections.size(); ++i) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::solve_apm()': main.cpp:533:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 533 | for(int i = 0; i < sol_apm.size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void graph::solve_dijkstra()': main.cpp:616:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]