upd

org/study_deck_02/dsa/stack/0726-number-of-atoms.org

@@ -66,13 +66,13 @@ Explanation: The count of elements are {'K': 4, 'N': 2, 'O&#
 Write your approach here.
 
 ** TODO Python
-#+begin_src python
+#+begin_src python :lc-problem 726 :lc-lang python3
 class Solution:
     def countOfAtoms(self, formula: str) -> str:
 #+end_src
 
 ** TODO C++
-#+begin_src cpp
+#+begin_src cpp :lc-problem 726
 class Solution {
 public:
     string countOfAtoms(string formula) {