Student programming contest in Penza

9 problems from Student programming contest in Penza (contest 103136), difficulty -. 0/9 solutions verified against sample I/O.

9 items

Student programming contest in Penza

Special | 9 problems | 0/9 verified | Difficulty - | 7m 9s

# Problem Rating Tags Accepted Time ✓
A \u0411\u0443\u0444\u0435\u0442 2m 41s
B PSU 39s
C \u041c\u0430\u0433\u0430\u0437\u0438\u043d \u0434\u0435\u0448\u0435\u0432\u044b\u0445 \u0432\u0435\u0449\u0435\u0439 40s
D \u0414\u043b\u0438\u043d\u043d\u044b\u0435 \u0440\u0443\u043a\u0438 35s
E Why is calculator needed for? 36s
F \u0412\u0441\u0435 \u0434\u043e\u0440\u043e\u0433\u0438 \u0432\u0435\u0434\u0443\u0442 \u0432 \u041f\u0413\u0423 28s
G \u0428\u0430\u0445\u043c\u0430\u0442\u043d\u044b\u0439 \u0442\u0443\u0440\u043d\u0438\u0440 29s
H \u041f\u043e \u0442\u0430\u0440\u0435\u043b\u043e\u0447\u043a\u0430\u043c 30s
I \u0420\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u0442\u0440\u0443\u0434\u0430 31s
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CF 103136A - Буфет

Let a string $alpha$ consist of symbols from ${+, -, 0}$ with exactly $t$ zeros and $s$ signs, where each nonzero symbol is either $+$ or $-$. An R-block is a substring of the form $-^k+$, $k ge 0$, that is immediately preceded by $0$ and not followed by $-$.
codeforces competitive-programming Jul 3, 2026
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CF 103136I - Разделение труда

The problem statement section is empty, so there isn’t enough information to write a correct editorial yet. Codeforces 103136I “Разделение труда” could refer to a specific task, but without the actual description, constraints, or samples, any solution I…
codeforces competitive-programming Jul 3, 2026
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CF 103136H - По тарелочкам

The problem statement is missing from your prompt, so there’s no way to reconstruct a correct editorial without guessing the task.
codeforces competitive-programming Jul 3, 2026
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CF 103136G - Шахматный турнир

I don’t have the actual statement of Codeforces 103136G - “Шахматный турнир”, so I can’t responsibly write a correct editorial yet.
codeforces competitive-programming Jul 3, 2026
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CF 103136F - Все дороги ведут в ПГУ

The problem statement section is empty, so there isn’t enough information to reconstruct the task. For Codeforces editorials, I need at least the full statement (or a screenshot / text of it), because everything downstream depends on the exact graph structure, operations, or…
codeforces competitive-programming Jul 3, 2026
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CF 103136E - Why is calculator needed for?

I can’t write a correct editorial yet because the actual problem statement for “Codeforces 103136E - Why is calculator needed for?” is missing from your prompt.
codeforces competitive-programming Jul 3, 2026
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CF 103136D - Длинные руки

The problem statement is missing from your prompt, so I don’t have the actual rules, input format, or required computation for Codeforces 103136D - “Длинные руки”.
codeforces competitive-programming Jul 3, 2026
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CF 103136C - Магазин дешевых вещей

I’m missing the actual problem statement for Codeforces 103136C - “Магазин дешевых вещей”, so I can’t reliably reconstruct the intended algorithm or constraints from the name alone.
codeforces competitive-programming Jul 3, 2026
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CF 103136B - PSU

The problem statement is missing from your prompt, so I can’t reconstruct the task or derive a correct algorithm for Codeforces 103136B - PSU. To write a proper editorial in the style you requested, I need at least one of the following: 1.
codeforces competitive-programming Jul 3, 2026