2021 VI Интеллектуальная олимпиада ПФО среди школьников

8 problems from 2021 VI Интеллектуальная олимпиада ПФО среди школьников (contest 103074), difficulty -. 0/8 solutions verified against sample I/O.

8 items

2021 VI Интеллектуальная олимпиада ПФО среди школьников

Special | 8 problems | 0/8 verified | Difficulty - | 6m 6s

# Problem Rating Tags Accepted Time ✓
A Numbers (Div-2 only!) 34s
B \u0418\u0433\u0440\u044b \u0441 \u043a\u043e\u043b\u044c\u0446\u0430\u043c\u0438 2m 34s
C Synonymous Words Number System 31s
D \u0420\u0443\u043a\u043e\u043f\u043e\u0436\u0430\u0442\u0438\u044f 30s
E \u0414\u0435\u043d\u044c \u0440\u043e\u0436\u0434\u0435\u043d\u0438\u044f 33s
F \u0417\u043e\u0432 \u0414\u0440\u0435\u0432\u043d\u0438\u0445 31s
G \u0412\u043e\u0434\u043d\u044b\u0439 \u043f\u0430\u0437\u043b 28s
H \u0422\u0435\u043d\u043d\u0438\u0441 25s
Practice › Codeforces Solutions › 2021 VI Интеллектуальная олимпиада ПФО среди школьников ›

CF 103074B - Игры с кольцами

The operators in this exercise are those introduced earlier in Section 7.2.1.3 in the context of spread/core duality and the associated Galois connection between representations of combinations.
codeforces competitive-programming Jul 4, 2026
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CF 103074H - Теннис

The problem statement for Codeforces 103074H - “Теннис” is not included in your message, so there is no way to correctly reconstruct the task, constraints, or required algorithm.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › 2021 VI Интеллектуальная олимпиада ПФО среди школьников ›

CF 103074G - Водный пазл

I can’t write a correct editorial without the actual problem statement. “Codeforces 103074G - Водный пазл” is not included in your prompt, so I don’t know what the input describes, what the task is, or what needs to be computed.
codeforces competitive-programming Jul 4, 2026
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CF 103074F - Зов Древних

The problem statement is missing from the prompt, so I don’t have enough information to reconstruct what “Codeforces 103074F - Зов Древних” is asking.
codeforces competitive-programming Jul 4, 2026
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CF 103074E - День рождения

I’m missing the actual problem statement for Codeforces 103074E - День рождения in your message, so I can’t reliably derive the solution or write a correct editorial.
codeforces competitive-programming Jul 4, 2026
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CF 103074D - Рукопожатия

The problem statement is missing from your prompt, so I don’t actually have enough information to reconstruct what “103074D - Рукопожатия” is asking.
codeforces competitive-programming Jul 4, 2026
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CF 103074A - Numbers (Div-2 only!)

The problem statement is missing from your prompt, so there is nothing concrete to restate, analyze constraints for, or derive an algorithm from. Right now we only have the template and metadata, but no description of what “Numbers (Div-2 only!
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › 2021 VI Интеллектуальная олимпиада ПФО среди школьников ›

CF 103074C - Synonymous Words Number System

I can’t write a correct Codeforces editorial for this problem yet because the statement is missing. “Synonymous Words Number System” could refer to several different tasks (string equivalence classes, DSU on synonyms, hashing word mappings, etc.
codeforces competitive-programming Jul 4, 2026