It is forbidden to use ChatGPT, Copilot or any form of AI to solve the problems. Any participant caught using such tools will be banned from the contest. Same treatment will be applied to anyone found copying the code of anyone else.
It is necessary to solve at least one problem of a class before moving on to the next one. However, no order is imposed for solving the problems within the classes.
The problems “Parentheses” are to be solved in their order to get any points for them.
It is forbidden to use libraries implementing data structures other than hashmaps and lists. Particularly, libraries implementing trees and graphs are forbidden. Likewise, any library implementing any form of regex or parsing is forbidden in the problem "Simplified" Regex.