Eroare de compilare: user.cpp:42:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type ifstream cin("ahocorasick.in"); ^ user.cpp:43:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type ofstream cout("ahocorasick.out"); ^ user.cpp:45:1: error: ‘trie’ does not name a type trie{ ^ user.cpp:56:9: error: ‘ptrie’ does not name a type typedef ptrie *trie; ^ user.cpp:58:1: error: ‘ptrie’ does not name a type ptrie r, q[NMAX]; ^ user.cpp:61:13: error: variable or field ‘insert’ declared void void insert(ptrie t, int i) ^ user.cpp:61:13: error: ‘ptrie’ was not declared in this scope user.cpp:61:22: error: expected primary-expression before ‘int’ void insert(ptrie t, int i) ^