Compilare: main.cpp: In constructor 'Treap::Node::Node(int)': main.cpp:11:13: warning: 'Treap::Node::rev' will be initialized after [-Wreorder] int rev = 0; ^ main.cpp:10:12: warning: 'int Treap::Node::sz' [-Wreorder] int sz = 0; ^ main.cpp:13:3: warning: when initialized here [-Wreorder] Node(int _x = 0) : x(_x), y(rand()), rev(1), sz(1) {} ^~~~ main.cpp: In function 'int main()': main.cpp:111:34: 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); ^ main.cpp:112:36: 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); ^