Compilare: user.cpp: In constructor ‘Treap::Treap(int, int, int, int, int)’: user.cpp:43:11: warning: ‘Treap::pr’ will be initialized after [-Wreorder] short pr; ^ user.cpp:41:12: warning: ‘int:19 Treap::sz’ [-Wreorder] int sz:19; ^ user.cpp:45:5: warning: when initialized here [-Wreorder] Treap(int _key = 0, int _pr = 0, int _sz = 0, int _left = 0, int _right = 0): ^ user.cpp: In constructor ‘InputReader::InputReader(const char*)’: user.cpp:12:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, SIZE, 1, input_file); ^ user.cpp: In member function ‘void InputReader::advance()’: user.cpp:34:47: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, SIZE, 1, input_file); ^