Eroare de compilare: user.cpp: In member function ‘int nrx_treap::insert_node(nrx_treap::treap_node*&, int)’: user.cpp:110:64: error: ‘update’ was not declared in this scope update_node( node ); balance( node ); update( node ); ^ user.cpp: In function ‘int main()’: user.cpp:182:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "zeap.in" , "r", stdin ); ^ user.cpp:183:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "zeap.out", "w", stdout ); ^ user.cpp:191:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &X ); ^ user.cpp:196:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &X ); ^ user.cpp:205:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &X ); ^