Compilare: user.cpp: In function ‘void add(trie*)’: user.cpp:37:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nod->care[map[*p]] == 0) ^ user.cpp:37:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nod->care[map[*p]] == 0) ^ user.cpp:40:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] nod->care[map[*p]] = nod->fi; ^ user.cpp:40:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] nod->care[map[*p]] = nod->fi; ^ user.cpp:43:42: warning: array subscript has type ‘char’ [-Wchar-subscripts] return add(nod->next[nod->care[map[*p]]]); ^ user.cpp:43:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] return add(nod->next[nod->care[map[*p]]]); ^ user.cpp: In function ‘void show(trie*, char*)’: user.cpp:54:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nod->care[map[fnd[i]]]) ^ user.cpp:54:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(nod->care[map[fnd[i]]]) ^ user.cpp:57:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] show(nod->next[nod->care[map[fnd[i]]]],st+1); ^ user.cpp:57:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] show(nod->next[nod->care[map[fnd[i]]]],st+1); ^ user.cpp: In function ‘int main()’: user.cpp:70:36: warning: passing NULL to non-pointer argument 2 of ‘void* memset(void*, int, size_t)’ [-Wconversion-null] memset(first,NULL,sizeof(first)); ^ user.cpp:76:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(map[*p] == 0) ^ user.cpp:78:23: warning: array subscript has type ‘char’ [-Wchar-subscripts] map[*p] = ++f; ^ user.cpp:79:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] fnd[f] = *p; ^ user.cpp:82:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(first[map[*p]] == 0) ^ user.cpp:82:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(first[map[*p]] == 0)