Compilare: user.cpp: In constructor ‘treap::treap(long long int)’: user.cpp:19:15: warning: ‘treap::r’ will be initialized after [-Wreorder] treap *l,*r; ^ user.cpp:18:13: warning: ‘int treap::pr’ [-Wreorder] int cnt,pr; ^ user.cpp:35:5: warning: when initialized here [-Wreorder] treap(ll val) : val(val),lz(0),l(0),r(0),pr(rand()+1) {upd();} ^ user.cpp: In function ‘int main()’: user.cpp:114:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rotatii.in","r",stdin); ^ user.cpp:115:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rotatii.out","w",stdout); ^ user.cpp:116:12: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(n);scan(m); ^ user.cpp:116:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(n);scan(m); ^ user.cpp:121:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(val); ^ user.cpp:128:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(op); ^ user.cpp:132:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(p);scan(val); ^ user.cpp:132:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(p);scan(val); ^ user.cpp:139:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(p); ^