central-russia-2021

set id: central-russia-2021
used by: central-russia-2021
problems: 15
provenance: problem list from the codeforces judge page (https://codeforces.com/gym/104454); count taken from that page (tools/mine_judge_links.py); online-judge pages (2026-11-02, tools/mine_judge_links.py)
data: problemsets/central-russia-2021.yaml

Problems (15)

#	problem	internal id	held	solve online
A	Puzzle generator	p-44cd3566	—	Codeforces Gym
B	Shooting	p-a3b8d6fa	—	Codeforces Gym
C	Pisano period	p-d8d3e117	—	Codeforces Gym
D	Bucket of sand	p-bebbc4ca	—	Codeforces Gym
E	Brass Birmingham: coins	p-4ee47eef	—	Codeforces Gym
F	Brass Birmingham: cities	p-72b0da2f	—	Codeforces Gym
G	Brass Birmingham: beer	p-0812cc27	—	Codeforces Gym
H	Brass Birmingham: roads	p-6fb30eaa	—	Codeforces Gym
I	Problem 3n+1	p-711176ce	—	Codeforces Gym
J	Interesting numbers	p-219b64ab	—	Codeforces Gym
K	To-do list	p-573b17d3	—	Codeforces Gym
L	Permutations and sums	p-1ccb9d58	—	Codeforces Gym
M	Three cushion carom	p-871c2431	—	Codeforces Gym
N	Just another array problem	p-c172a444	—	Codeforces Gym
O	Sea Battle	p-24b5875d	—	Codeforces Gym

St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.