Compilare: main.cpp: In constructor 'treap::treap(int)': main.cpp:16:15: warning: 'treap::r' will be initialized after [-Wreorder] treap *l,*r; ^ main.cpp:15:10: warning: 'bool treap::add' [-Wreorder] bool add; ^~~ main.cpp:18:5: warning: when initialized here [-Wreorder] treap(int pr):pr(pr),l(0),r(0),add(0){} ^~~~~ main.cpp: In function 'int main()': main.cpp:110:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sec8.in","r",stdin); ^ main.cpp:111:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sec8.out","w",stdout); ^