pofk_algorithm 0.0.3

A collection of efficient algorithms implemented in Rust for real-world projects.
Documentation
// Tests for Zigzag Level Order Traversal
use pofk_algorithm::tree_algorithms::binary_tree_traversal::*;
use pofk_algorithm::tree_algorithms::zigzag_traversal::zigzag_traversal;

fn make_test_tree() -> Option<Box<TreeNode<i32>>> {
    //      1
    //     / \
    //    2   3
    //   / \
    //  4   5
    let mut root = Box::new(TreeNode::new(1));
    let mut left = Box::new(TreeNode::new(2));
    left.left = Some(Box::new(TreeNode::new(4)));
    left.right = Some(Box::new(TreeNode::new(5)));
    root.left = Some(left);
    root.right = Some(Box::new(TreeNode::new(3)));
    Some(root)
}

#[test]
fn test_zigzag_traversal() {
    let tree = make_test_tree();
    let levels = zigzag_traversal(&tree);
    assert_eq!(levels, vec![vec![1], vec![3, 2], vec![4, 5]]);
}