Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:57:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < graph[x].size(); i++) { //iterez prin vecinii nodului x ^ user.cpp: In function ‘int main()’: user.cpp:82:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < CBlist.size(); i++) { ^ user.cpp:83:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < CBlist[i].size(); j++) ^