Compilare: user.cpp: In function ‘void adauga(char*, trie*, int)’: user.cpp:22:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(t->fiu[delta]==0) ^ user.cpp:23:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] t->fiu[delta]=new trie; ^ user.cpp:24:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] adauga(p+1,t->fiu[delta],nruser); ^ user.cpp: In function ‘void act(char*, trie*)’: user.cpp:37:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] act(p+1,t->fiu[delta]); ^ user.cpp:38:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] t->maxval=max(t->maxval,t->fiu[delta]->maxval); ^ user.cpp: In function ‘int caut(char*, trie*)’: user.cpp:54:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(t->fiu[delta]!=0) ^ user.cpp:55:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] return caut(p+1,t->fiu[delta]); ^