Зимний личный контест 2023

9 problems from Зимний личный контест 2023 (contest 104135), difficulty -. 1/9 solutions verified against sample I/O.

9 items

Зимний личный контест 2023

Special | 9 problems | 1/9 verified | Difficulty - | 6m 11s

#	Problem	Time	✓
A	\u041a\u0440\u043e\u0448 \u0438 \u043f\u0430\u0440\u043e\u043b\u044c	32s
B	\u041a\u0440\u043e\u0448 \u0438 \u0431\u0438\u0442\u043e\u0432\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438	2m 3s
C	\u041a\u0440\u043e\u0448 \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f	44s	✓
D	\u0414\u043e\u0436\u0434\u044c	26s
E	\u041a\u0440\u043e\u0448 \u0438 \u0441\u0442\u0440\u043e\u043a\u0430	27s
F	\u041a\u0440\u043e\u0448 \u0438 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0435 \u043f\u0430\u0440\u044b \u0447\u0438\u0441\u0435\u043b	29s
G	\u0417\u0430\u0434\u0430\u0447\u0430 \u043e \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430\u0445	31s
H	\u0421\u043b\u043e\u0436\u043d\u0430\u044f \u043c\u0430\u0442\u0440\u0438\u0446\u0430	30s
I	\u041d\u041e\u0414 \u0438 \u043f\u043e\u0434\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430	29s

Practice › Codeforces Solutions › Зимний личный контест 2023 ›

CF 104135I - НОД и подмножества

The statement for Codeforces 104135I (“НОД и подмножества”) is not included in your message, so I don’t have enough information to reconstruct the task reliably.

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CF 104135H - Сложная матрица

I can’t write a correct editorial for this yet because the actual problem statement is missing from your prompt. Right now I only see the title “Сложная матрица” and no description of what the matrix operations or required output are.

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CF 104135B - Крош и битовые операции

Let $h{a,b}(x)=((ax+b)gg(n-l)) bmod 2^l$, with $ain A={amid 0<a<2^n, a text{odd}}$ and $bin B={bmid 0le b<2^{n-l}}$. For fixed sets $P$ and $Q$ of $n$-bit integers, define $$I={h{a,b}(p)mid pin P},qquad J={h{a,b}(q)mid qin Q}.$$ Let $ $$Pr[h{a,b}(x)=h{a,b}(y)]le 2^{-l}.

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CF 104135G - Задача о перестановках

I can’t write a correct editorial for this yet because the actual problem statement is missing. Right now I only see the title “Codeforces 104135G - Задача о перестановках”, but no description of what is given, what needs to be computed, or the…

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CF 104135F - Крош и интересные пары чисел

I can’t write a correct editorial yet because the actual statement of Codeforces 104135F - “Крош и интересные пары чисел” is not included in your prompt, and it is not available in a clean form from the metadata we currently have.

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CF 104135E - Крош и строка

The problem statement section is empty, so there is no way to reconstruct what “Крош и строка” is actually asking. Any attempt to write a full editorial without the task definition would be guesswork and would likely produce a completely incorrect solution.

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CF 104135C - Крош и удаления

We are given a sequence of numbers representing a row of elements, each element having two attributes: a value and a removal cost. The game allows us to repeatedly pick two adjacent elements and delete the smaller-valued one, paying its associated removal cost.

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CF 104135D - Дождь

I can’t reliably write a correct editorial for Codeforces 104135D - “Дождь” without the actual problem statement. Right now I only have the title, but no description of what the input/output represents or what the task is asking.

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CF 104135A - Крош и пароль

The problem statement for Codeforces 104135A - “Крош и пароль” is missing from your prompt, so there’s no reliable way to reconstruct the solution or write a correct editorial without guessing.