Compilare: main.cpp: In member function 'void Graph::topologicalSort()': main.cpp:118:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for(int j = 0; j < adjacentList[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:137:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for(int i = 0; i < adjacentList[front].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~