Compilare: main.cpp: In function 'int main()': main.cpp:31:18: warning: pointer to a function used in arithmetic [-Wpointer-arith] dfs[i]; ^ main.cpp:31:18: warning: value computed is not used [-Wunused-value] dfs[i]; ~~~~~^ main.cpp:31:18: warning: statement has no effect [-Wunused-value] main.cpp:53:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<graph[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~