Compilare: main.cpp: In member function 'void Graf::BFS(int)': main.cpp:65:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for (int j = 0; j < lista_ad[q.front()].size();j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:77:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int i = 1; i <= dist.size()-1;i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&)': main.cpp:87:23: 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 < lista_ad[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFSsort(int, std::vector<int>&, std::stack<int>&)': main.cpp:100:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for (int i = 0; i < lista_ad[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFSt(int, std::vector<int>&, std::vector<std::vector<int> >&, int)': main.cpp:144:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 144 | for(int i = 1; i < lista_ad[start].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::CTC()': main.cpp:174:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 174 | for (int i = 0; i < s2.size(); i++) | ~~^~~~~~~~~~~ main.cpp:178:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 178 | for (int j = 0; j < s2[i].size(); j++) | ~~^~~~~~~~~~~~~~