Eroare de compilare: main.cpp: In function 'void dfs(int)': main.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<adj[u].size(); i++) { ~^~~~~~~~~~~~~~ ./ccc5P6UA.o: In function `dfs(int)': main.cpp:(.text+0x65a): undefined reference to `processComponent(std::stack<int, std::deque<int, std::allocator<int> > >)' collect2: error: ld returned 1 exit status Non zero exit status: 1