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@lovesegfault
Created June 3, 2021 18:44
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struct Solution;
#[derive(Debug, PartialEq, Eq)]
pub struct TreeNode {
pub val: i32,
pub left: Option<Rc<RefCell<TreeNode>>>,
pub right: Option<Rc<RefCell<TreeNode>>>,
}
impl TreeNode {
#[inline]
pub fn new(val: i32) -> Self {
TreeNode {
val,
left: None,
right: None,
}
}
}
use std::borrow::Borrow;
use std::cell::RefCell;
use std::rc::Rc;
impl Solution {
pub fn lowest_common_ancestor(
root: Option<Rc<RefCell<TreeNode>>>,
p: Option<Rc<RefCell<TreeNode>>>,
q: Option<Rc<RefCell<TreeNode>>>,
) -> Option<Rc<RefCell<TreeNode>>> {
let p_val: i32 = p.as_ref().map(|r| r.borrow().val)?;
todo!()
}
}
fn main() {
println!("Hello, world!");
}
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