We, HACKARZ, are glad to invite you to participate in HACKARZ FOOLS CONTEST #4, which will take place on Jun/28/2025 18:00 (Moscow time). You will be given 8 problems and 2 hours to solve them. The problems ARE NOT SORTED ACCORDING TO DIFFICULTY so please read the full problem set.
Join the group: https://codeforces.me/group/zJtqriSgdw/contests.
IMPORTANT NOTES:
- Solving some problems may depend on reading others.
- Searching for anything is allowed during the contest, but using AI like ChatGPT is not allowed.
