20240604 Finished

This commit is contained in:
jackfiled 2024-06-04 15:23:53 +08:00
parent e1eb4ffa16
commit d77d6c9f48
2 changed files with 97 additions and 1 deletions

View File

@ -139,4 +139,5 @@ mod p155_min_stack;
mod p150_evaluate_reverse_polish_notation;
mod p224_basic_calculator;
mod p21_merge_two_sorted_lists;
mod p104_maximum_depth_of_binary_tree;
mod p104_maximum_depth_of_binary_tree;
mod p100_same_tree;

View File

@ -0,0 +1,95 @@
/**
* [100] Same Tree
*/
pub struct Solution {}
use crate::util::tree::{TreeNode, to_tree};
// submission codes start here
// Definition for a binary tree node.
// #[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::rc::Rc;
use std::collections::VecDeque;
use std::cell::RefCell;
impl Solution {
pub fn is_same_tree(p: Option<Rc<RefCell<TreeNode>>>, q: Option<Rc<RefCell<TreeNode>>>) -> bool {
let mut p_queue = VecDeque::new();
let mut q_queue = VecDeque::new();
if let Some(node) = p {
p_queue.push_back(node);
}
if let Some(node) = q {
q_queue.push_back(node);
}
while !p_queue.is_empty() || !q_queue.is_empty() {
if q_queue.len() != p_queue.len() {
return false;
}
let length = p_queue.len();
for _ in 0..length {
let p_node = p_queue.pop_back().unwrap();
let q_node = q_queue.pop_back().unwrap();
if p_node.borrow().val != q_node.borrow().val {
return false;
};
if p_node.borrow().left.is_some() ^ q_node.borrow().left.is_some() {
return false;
}
if p_node.borrow().right.is_some() ^ q_node.borrow().right.is_some() {
return false;
}
if let Some(p_left) = &p_node.borrow().left {
if let Some(q_left) = &q_node.borrow().left {
p_queue.push_back(Rc::clone(p_left));
q_queue.push_back(Rc::clone(q_left));
};
};
if let Some(p_right) = &p_node.borrow().right {
if let Some(q_right) = &q_node.borrow().right {
p_queue.push_back(Rc::clone(p_right));
q_queue.push_back(Rc::clone(q_right));
};
};
}
}
true
}
}
// submission codes end
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_100() {
}
}