Compilare: user.cpp: In function ‘void UniteCycles()’: user.cpp:66:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < Cycle[i].size(); j++) ^ user.cpp: In function ‘int main()’: user.cpp:136:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Sol.size(); i++) ^