南遥云

pub fn min_depth(root: Option<Rc<RefCell<TreeNode>>>) -> i32 { fn m_depth(root: &Option<Rc<RefCell<TreeNode>>>) -> i32 { if let Some(node) = root { let r1 = m_depth(&amp...

pub trait Heap<T> { fn heap_len(&self) -> usize; fn heap_less(&self, i: usize, j: usize) -> bool; fn heap_swap(&mut self, i: usize, j: usize); fn heap_push(&mut self, v: T); fn heap_pop(&mut self) -> .