Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:36:19: 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:79:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<L[fth[nod]].size();j++){ ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int cautare_binara(int*, int, int)': main.cpp:23:6: warning: control reaches end of non-void function [-Wreturn-type] }} ^