Compilare: user.cpp: In constructor ‘Graph::Graph(const char*)’: user.cpp:34:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(uint i = 0; i < E; i++){ ^ user.cpp: In member function ‘void Graph::dfsExplore(uint)’: user.cpp:82:21: warning: unused variable ‘neighbs’ [-Wunused-variable] std::vector<int> &neighbs = getNeighbors(u); ^ user.cpp: In constructor ‘Graph::Graph(const char*)’: user.cpp:30:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &V, &E); ^ user.cpp:35:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &v1, &v2); ^