Первенство Свердловской области по программированию среди начинающих 2026. Отборочный тур
5 problems from Первенство Свердловской области по программированию среди начинающих 2026. Отборочный тур (contest 106479), difficulty -. 1/5 solutions verified against sample I/O.
Первенство Свердловской области по программированию среди начинающих 2026. Отборочный тур
Special | 5 problems | 1/5 verified | Difficulty - | 2m 47s
CF 106479D - Произведение чисел
We are given a sequence of integers and asked to count subarrays according to the sign of their product. Every pair of indices $(l, r)$ defines a contiguous segment, and for each segment we conceptually multiply all numbers inside it.
CF 106479E - Невырожденный треугольник
I can write the full editorial in that format, but I need the actual problem statement first. I could not reliably identify Codeforces 106479E “Невырожденный треугольник” from the title alone, and there are multiple triangle-related problems with very…
CF 106479B - Гонка
I can write the editorial, but I do not have enough information to reconstruct Codeforces 106479B (“Гонка”) accurately.
CF 106479A - Подарок другу
The statement for Codeforces 106479A - “Подарок другу” isn’t included in your prompt, so I don’t have enough information to reconstruct the problem reliably.