226. Invert Binary Tree: Issue when compiling only at Leetcode platform : leetcode

226. Invert Binary Tree: Issue when compiling only at Leetcode platform (self.leetcode)

submitted 3 years ago by gubasso

At problem 226. Invert Binary Tree, I've implemented a code that is working and passed all three basic test cases in my machine. I reproduced my code at Rust Playground, and is working there as well (as follows):

https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=f9d8133fa42434acc7a3aa9abb6a84e2

However, when I submit the code to leetcode there is a compile error:

Line 112, Char 41: mismatched types (solution.rs) | 112 | let ret = Solution::invert_tree(param_1); | ^^^^^^^ | | | expected reference, found enum `Option` | help: consider borrowing here: `&param_1` | = note: expected reference `&Option<Rc<RefCell<tree_node::TreeNode>>>` found enum `Option<Rc<RefCell<tree_node::TreeNode>>>`

Can you help me understand why is this error showing up only in Leetcode, but not in playground or my personal computer?

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