2025-2026 Всероссийская олимпиада школьников по информатике, региональный этап, 1 тур
4 problems from 2025-2026 Всероссийская олимпиада школьников по информатике, региональный этап, 1 тур (contest 106337), difficulty -. 4/4 solutions verified against sample I/O.
2025-2026 Всероссийская олимпиада школьников по информатике, региональный этап, 1 тур
Special | 4 problems | 4/4 verified | Difficulty - | 3m 35s
CF 106337B - Хромой король
We are working with a rectangular grid of size $n times m$, where each cell is considered a vertex of a graph and adjacency is defined implicitly by movement between neighboring cells.
CF 106337D - Прыжки по вершинам
We are given an array of heights, where each index represents a point on a line, so the i-th point is located at horizontal position i and vertical position h[i].
CF 106337C - Расстановки фишек
We are working with a grid and a collection of rectangular “forbidden zones” defined by their bottom-right corners. Each constraint $(ri, ci)$ describes the full rectangle from $(1,1)$ up to $(ri, ci)$.
CF 106337A - Итоги олимпиады
We are given an array of integers representing scores of participants in an olympiad. For every ordered pair of participants $(i, j)$, we compute how much “extra” score $j$ has compared to $i$, but only if $j$ is better.