Compilare: main.cpp: In constructor 'treap::treap(int)': main.cpp:10:12: warning: 'treap::val' will be initialized after [-Wreorder] 10 | int cnt, val, pr, rev; | ^~~ main.cpp:10:7: warning: 'int treap::cnt' [-Wreorder] 10 | int cnt, val, pr, rev; | ^~~ main.cpp:12:3: warning: when initialized here [-Wreorder] 12 | treap (int x): val(x), cnt(1), pr(rand()), rev(0) {}; | ^~~~~ main.cpp: In member function 'int treap::T()': main.cpp:14:26: warning: 'nonnull' argument 'this' compared to NULL [-Wnonnull-compare] 14 | return (this == NULL ? 0 : cnt); | ~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp: In member function 'void treap::push()': main.cpp:17:5: warning: 'nonnull' argument 'this' compared to NULL [-Wnonnull-compare] 17 | if (this == NULL) | ^~