Compilare: main.cpp: In function 'void adaugacuv(trie*, char*)': main.cpp:37:24: warning: array subscript has type 'char' [-Wchar-subscripts] 37 | if(nod->litera[ch] == 0) | ^~ main.cpp:39:25: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | nod->litera[ch] = new trie; | ^~ main.cpp:42:31: warning: array subscript has type 'char' [-Wchar-subscripts] 42 | adaugacuv(nod->litera[ch], s + 1); | ^~ main.cpp: In function 'int cntWords(trie*, char*)': main.cpp:55:20: warning: array subscript has type 'char' [-Wchar-subscripts] 55 | if(nod->litera[ch] != 0) | ^~ main.cpp:57:37: warning: array subscript has type 'char' [-Wchar-subscripts] 57 | return cntWords(nod->litera[ch], s + 1); | ^~ main.cpp: In function 'bool stergecuv(trie*, char*)': main.cpp:73:34: warning: array subscript has type 'char' [-Wchar-subscripts] 73 | if(stergecuv(nod->litera[ch], s + 1) == 1) | ^~ main.cpp:75:25: warning: array subscript has type 'char' [-Wchar-subscripts] 75 | nod->litera[ch] = 0; | ^~ main.cpp: In function 'int cntPref(trie*, char*, int)': main.cpp:96:20: warning: array subscript has type 'char' [-Wchar-subscripts] 96 | if(nod->litera[ch] == 0) | ^~ main.cpp:102:36: warning: array subscript has type 'char' [-Wchar-subscripts] 102 | return cntPref(nod->litera[ch], s + 1, ans + 1); | ^~