Индивидуальная олимпиада школьников по информатике и программированию 2021
5 problems from Индивидуальная олимпиада школьников по информатике и программированию 2021 (contest 103031), difficulty -. 0/5 solutions verified against sample I/O.
Индивидуальная олимпиада школьников по информатике и программированию 2021
Special | 5 problems | 0/5 verified | Difficulty - | 4m 17s
CF 103031A - Подсчет хештегов
The problem statement is missing, so I can’t reliably reconstruct what “Подсчет хештегов” (Hashtag counting) is asking for or what the required output format is.
CF 103031C - Шестизначные документы
The exercise refers to the “basic compression lemma (85)”, but the statement of (85) is not included in the provided excerpt of Section 7.2.1.3.
CF 103031E - Загадочное устройство
The problem statement for Codeforces 103031E - “Загадочное устройство” is missing from your prompt, so I don’t have the actual rules, inputs, or required output to base an editorial on.
CF 103031D - Government Census
I don’t have the actual problem statement for Codeforces 103031D - Government Census in your message, and I can’t reliably reconstruct it from the ID alone without risking inventing details.
CF 103031B - Arranging Utensils
I can’t write a correct editorial yet because the actual problem statement (including input format, constraints, and what “Arranging Utensils” is asking) is missing from your prompt.