Eroare de compilare: user.cpp: In function ‘void calcx()’: user.cpp:95:27: error: request for member ‘clear’ in ‘el->no::ap.std::vector<_Tp, _Alloc>::size<int, std::allocator<int> >()’, which is of non-class type ‘std::vector<int>::size_type {aka unsigned int}’ el->ap.size().clear(); ^ user.cpp: In function ‘void calcdin()’: user.cpp:108:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < x.size(); ++j) ^ user.cpp:113:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < x.size(); ++i) { ^ user.cpp: In function ‘void sol()’: user.cpp:156:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(nodc != &rad && !nodc->f[a[i]]) ^ user.cpp:158:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nodc->f[a[i]]) ^ user.cpp:159:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] nodc = nodc->f[a[i]]; ^ user.cpp: In function ‘int main()’: user.cpp:171:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cenzura.in", "r", stdin); ^ user.cpp:172:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cenzura.out", "w", stdout); ^