Compilare: main.cpp: In member function 'void Graph::BFS(int)': main.cpp:91:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (i = 0; i < a[k].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Graph::DFS(int)': main.cpp:122:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 122 | for (i = 0; i < a[x].size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Graph::DFS_T(int, int)': main.cpp:146:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 146 | for (i = 0; i < a_t[x].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::CompTConexe()': main.cpp:168:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 168 | for (j = 0; j < c[i].size(); j++) | ~~^~~~~~~~~~~~~