Compilare: main.cpp: In function 'void solve()': main.cpp:127:35: warning: comparison of integer expressions of different signedness: 'std::vector<edge>::size_type' {aka 'long unsigned int'} and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} [-Wsign-compare] 127 | if(graph[x].size()>=no_of_edges[y-n])