Compilare: main.cpp: In function 'void DFS(int)': main.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'bool hasLinkij(int, int)': main.cpp:37:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < graph[i].size(); k++) ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:15: warning: variable 'maxIndex' set but not used [-Wunused-but-set-variable] int max = 0, maxIndex; ^~~~~~~~