Compilare: main.cpp: In function 'std::vector<Punct> Jarvis(const std::vector<Punct>&)': main.cpp:57:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < P.size(); ++i) ~~^~~~~~~~~~ main.cpp:65:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < CH.size(); ++i) ~~^~~~~~~~~~~ main.cpp:68:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < P.size(); ++j) ~~^~~~~~~~~~