Compilare: user.cpp: In function ‘void CLEAR()’: user.cpp:82:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<componente.size(); i++) ^ user.cpp:83:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<componente[i].size(); j++) ^ user.cpp: In function ‘void Add_to(std::vector<int>&, std::vector<int>)’: user.cpp:97:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<b.size(); i++) ^ user.cpp: In function ‘std::pair<int, int> get_answer(int, std::vector<int>, std::vector<int>, int)’: user.cpp:106:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<componente[comp_index].size(); j++) ^ user.cpp:109:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<con1.size(); j++) ^ user.cpp:112:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<con0.size(); j++) ^ user.cpp:123:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<componente[comp_index].size(); j++) ^ user.cpp: In function ‘void dp_dfs(int)’: user.cpp:196:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<componente[IsComponent[*it]].size(); j++) ^ user.cpp:209:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<componente[IsComponent[*it]].size(); j++) ^ user.cpp: In function ‘void last_components_refresh()’: user.cpp:237:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<componente.size(); i ++) ^ user.cpp:238:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<componente[i].size(); j++) ^ user.cpp:241:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k=0; k<componente[i].size(); k++) ^ user.cpp: In function ‘void Solve(int)’: user.cpp:265:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<componente.size(); i++) ^ user.cpp:271:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<componente.size(); i++) ^ user.cpp:282:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<componente[0].size(); i ++)