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 < g[nod].size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < v.size(); ++i) ~~^~~~~~~~~~ main.cpp:58:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < rez.size(); ++i) ~~^~~~~~~~~~~~