Compilare: main.cpp: In member function 'void Graf::out()': main.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int j = 0 ; j < lista[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::bfs(int)': main.cpp:102:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int index = 0; index < lista[nod].size(); index++) | ~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(std::vector<bool>&, int)': main.cpp:118:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for(int index = 0; index < lista[start].size(); index++) | ~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::biconex()': main.cpp:158:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for(int secondIndex = 0; secondIndex < lista[index].size(); secondIndex++) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_biconex(std::vector<bool>&, int, int, int&, std::vector<int>&, std::vector<int>&)': main.cpp:172:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 172 | for(int index = 0; index < lista[start].size(); index++) | ~~~~~~^~~~~~~~~~~~~~~~~~~~~