Compilare: user.cpp: In function ‘void dfs(std::vector<std::vector<long int> >&, std::vector<bool>&, int, long int&)’: user.cpp:11:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < lista_ad[node_id].size(); i++) { ^ user.cpp: In function ‘int main()’: user.cpp:36:32: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 4 has type ‘int*’ [-Wformat=] scanf("%ld%ld%ld", &N, &M, &K); ^ user.cpp:66:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < conex.size(); i++) { ^ user.cpp:73:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘__gnu_cxx::__alloc_traits<std::allocator<long int> >::value_type {aka long int}’ [-Wformat=] printf(" %d", scores[i]); ^ user.cpp:30:7: warning: unused variable ‘comp_conexe’ [-Wunused-variable] long comp_conexe = 0, N, id1, id2; ^