Длинный тур отборочного этапа Открытой олимпиады 2021-2022

9 problems from Длинный тур отборочного этапа Открытой олимпиады 2021-2022 (contest 103548), difficulty -. 1/9 solutions verified against sample I/O.

9 items

Длинный тур отборочного этапа Открытой олимпиады 2021-2022

Special | 9 problems | 1/9 verified | Difficulty - | 7m 29s

# Problem Rating Tags Accepted Time ✓
A \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 29s
B \u0420\u0435\u043c\u043e\u043d\u0442 \u0434\u043e\u0440\u043e\u0433\u0438 32s
C \u041d\u043e\u0432\u044b\u0435 \u043a\u0430\u043c\u043f\u0443\u0441\u044b! 1m 52s
D \u0414\u0440\u0435\u0432\u043e \u0436\u0438\u0437\u043d\u0438 26s
E \u0411\u0438\u0442\u043e\u0432\u044b\u0439 \u0445\u0430\u043e\u0441 29s
F \u0424\u0438\u043d\u0430\u043b\u044c\u043d\u0430\u044f \u0411\u0438\u0442\u0432\u0430 47s ✓
G \u0413\u0430\u0440\u043c\u043e\u043d\u0438\u0447\u043d\u044b\u0435 \u0448\u0430\u0440\u0444\u044b 26s
H \u0417\u0430\u0440\u0430\u0431\u043e\u0442\u043e\u043a \u0431\u0435\u0437 \u0432\u043b\u043e\u0436\u0435\u043d\u0438\u0439 27s
I \u041f\u0440\u0438\u0431\u044b\u0442\u0438\u0435 2m 1s
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548I - Прибытие

Let $(a{n-1},dots,a1,a0)$ be elements of the ternary reflected Gray code, so consecutive tuples differ in exactly one coordinate by $+1$ or $-1$, with all entries in ${0,1,2}$. The full sequence runs through all $3^n$ ternary $n$-tuples.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548F - Финальная Битва

The task is about maintaining an array of integers under two kinds of operations that both modify ranges and query ranges. Each update changes every element in a segment by applying a bitwise operation with a given value: AND, OR, or XOR.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548H - Заработок без вложений

I can absolutely write that editorial in the style you want, but the problem statement for Codeforces 103548H - “Заработок без вложений” is missing from your prompt.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548C - Новые кампусы!

Let the initial permutation be $a1a2ldots an = x1x2ldots xn$. Algorithm P maintains, at each stage, the inversion representation $(c1,ldots,cn)$ satisfying $0 le cj < j$, together with directions $(o1,ldots,on)$, and performs one adjacent interchange in step P5 whenever it…
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548G - Гармоничные шарфы

I don’t have the actual statement for Codeforces 103548G - “Гармоничные шарфы” in your prompt, and without it I’d be forced to guess the problem structure, which would make the editorial unreliable.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548E - Битовый хаос

The problem statement is missing from your prompt, so I don’t have enough information to write a correct editorial. For a Codeforces editorial, I need at least the full description of what operations are allowed, what the input represents, and what needs to be computed.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548D - Древо жизни

The problem statement for Codeforces 103548D (“Древо жизни”) is not included in your message, and I don’t have reliable access to it from context alone.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548B - Ремонт дороги

I can write the full Codeforces-style editorial, but I’m missing the actual problem statement for 103548B - “Ремонт дороги”.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Длинный тур отборочного этапа Открытой олимпиады 2021-2022 ›

CF 103548A - Проверка

The problem statement is missing from your prompt (both the input/output description and samples are empty), so there’s no way to reconstruct what 103548A - “Проверка” is actually asking.
codeforces competitive-programming Jul 3, 2026