Compilare: main.cpp: In function 'void dfs(int)': main.cpp:15:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<L[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (ctc[i].size() > maxim) ~~~~~~~~~~~~~~^~~~~~~ main.cpp:57:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<ctc[poz].size(); i++) ~^~~~~~~~~~~~~~~~