Unable to represent single node as vector

[c-git]

Describe the bug

The problem represents single nodes as just an integer but the code expects a vector

Leetcode problem

https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree

To Reproduce

cargo leet gen https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree

Error Message

% cargo leet gen https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "2". Error: Expecting something that can be represented as a vec but got "2"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "8". Error: Expecting something that can be represented as a vec but got "8"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "6". Error: Expecting something that can be represented as a vec but got "6"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "2". Error: Expecting something that can be represented as a vec but got "2"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "4". Error: Expecting something that can be represented as a vec but got "4"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "2". Error: Expecting something that can be represented as a vec but got "2"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "2". Error: Expecting something that can be represented as a vec but got "2"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "1". Error: Expecting something that can be represented as a vec but got "1"
[2024-10-03T18:22:37Z WARN  cargo_leet::tool::core::helpers::problem_code] Type Mismatch? Type detected as 'Tree' but got argument value of "2". Error: Expecting something that can be represented as a vec but got "2"
Generated module: lowest_common_ancestor_of_a_binary_search_tree