Compilare: user.cpp: In function ‘int treap::myRand()’: user.cpp:10:20: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] return ((rand()&((1<<15))-1)<<15) + rand()&((1<<15)-1); ^ user.cpp:10:39: warning: suggest parentheses around ‘+’ in operand of ‘&’ [-Wparentheses] return ((rand()&((1<<15))-1)<<15) + rand()&((1<<15)-1); ^ user.cpp: In instantiation of ‘treap::Node<T>::Node(const T&) [with T = int]’: user.cpp:286:37: required from ‘void treap::Treap<T>::insertAtKth(const T&, int) [with T = int]’ user.cpp:384:31: required from here user.cpp:18:26: warning: ‘treap::Node<int>::father’ will be initialized after [-Wreorder] Node *left, *right, *father; ^ user.cpp:17:10: warning: ‘bool treap::Node<int>::sw’ [-Wreorder] bool sw; ^ user.cpp:20:5: warning: when initialized here [-Wreorder] Node(const T& val) : val(val), prio(myRand()), left(NULL), right(NULL), ^ user.cpp:17:10: warning: ‘treap::Node<int>::sw’ will be initialized after [-Wreorder] bool sw; ^ user.cpp:16:15: warning: ‘int treap::Node<int>::sub’ [-Wreorder] int prio, sub; ^ user.cpp:20:5: warning: when initialized here [-Wreorder] Node(const T& val) : val(val), prio(myRand()), left(NULL), right(NULL), ^ user.cpp: In instantiation of ‘treap::Iterator<T> treap::Iterator<T>::operator++() [with T = int]’: user.cpp:358:55: required from ‘void treap::Treap<T>::printAll(std::ostream&) [with T = int; std::ostream = std::basic_ostream<char>]’ user.cpp:401:20: required from here user.cpp:79:5: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:371:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv8.in", "r", stdin); ^ user.cpp:372:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv8.out", "w", stdout); ^ user.cpp: In member function ‘treap::Iterator<T> treap::Treap<T>::getKth(treap::Node<T>*, int) [with T = int]’: user.cpp:259:5: warning: control reaches end of non-void function [-Wreturn-type] } ^