Compilare: user.cpp: In function ‘void Insert(Node*, char*)’: user.cpp:24:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!node->links[*s]) node->links[*s] = new Node(); ^ user.cpp:24:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!node->links[*s]) node->links[*s] = new Node(); ^ user.cpp:25:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] Insert(node->links[*s], s + 1); ^ user.cpp: In function ‘bool Find(Node*, char*)’: user.cpp:30:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (!node->links[*s]) return false; ^ user.cpp:31:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] return Find(node->links[*s], s + 1); ^ user.cpp: In function ‘int main()’: user.cpp:38:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("criptare2.in", "r", stdin); ^ user.cpp:39:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("criptare2.out", "w", stdout); ^ user.cpp:42:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:45:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", word); ^ user.cpp:61:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &N); ^ user.cpp:64:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", word); ^