Compilare: main.cpp: In function 'void DFS(int)': main.cpp:14:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < l[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int)': main.cpp:27:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < lT[nod].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < rez[i].size(); j++) ~~^~~~~~~~~~~~~~~