Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:29:20: 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:68:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<cc[i].size()-1; j++){ ~^~~~~~~~~~~~~~~ main.cpp:70:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k=j+1; k<cc[i].size(); k++){ ~^~~~~~~~~~~~~