Compilare: main.cpp: In function 'void dinamica(Trie2*)': main.cpp:49:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < nod -> fiu.size(); ++k) ~~^~~~~~~~~~~~~~~~~~~ main.cpp:54:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < dp2[it].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp:55:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < dp.size(); j++) ~~^~~~~~~~~~~ main.cpp:57:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dp2[1 - it].size() <= i + j) ~~~~~~~~~~~~~~~~~~~^~~~~~~~ main.cpp:67:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < dp2[it].size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void adauga(Trie*, std::__cxx11::basic_string<char>::iterator)': main.cpp:106:19: warning: array subscript has type 'char' [-Wchar-subscripts] if(nod -> fiu[*it] == NULL) ^ main.cpp:109:17: warning: array subscript has type 'char' [-Wchar-subscripts] nod -> fiu[*it] = new Trie(); ^ main.cpp:111:23: warning: array subscript has type 'char' [-Wchar-subscripts] adauga(nod -> fiu[*it],it + 1); ^