Compilare: main.cpp: In member function 'bool Graph::hasNegCycle(long long int)': main.cpp:61:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<Vertex>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (l l it = 0; it < graph[front].size(); it++) | ~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:72:71: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} and 'std::vector<std::vector<Vertex> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | if (inQueueCounter[graph[front][it].vertexNo] >= graph.size())