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:31:5: 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:117:36: 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:118:38: 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:119:12: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(n);scan(m); ^ user.cpp:119:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(n);scan(m); ^ user.cpp:124:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(val); ^ user.cpp:131:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(op); ^ user.cpp:135:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(p);scan(val); ^ user.cpp:135:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(p);scan(val); ^ user.cpp:142:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scan(p); ^