Всероссийская олимпиада по информатике им. Мстислава Келдыша - 2025
6 problems from Всероссийская олимпиада по информатике им. Мстислава Келдыша - 2025 (contest 106009), difficulty -. 3/6 solutions verified against sample I/O.
Всероссийская олимпиада по информатике им. Мстислава Келдыша - 2025
Special | 6 problems | 3/6 verified | Difficulty - | 4m 18s
CF 106009F - Два массива
We are given two arrays of equal length, and for each index we are allowed to either keep the pair as is or swap the two values at that position.
CF 106009E - Из Казани с любовью
I can write the editorial in that format, but I need the actual problem statement details first. Codeforces 106009E (“Из Казани с любовью”) does not have the statement text in your prompt, and the title alone is not enough for me to reliably reconstruct the…
CF 106009A - Шашлык для методкомиссии
We are given a system that behaves like a deterministic process over a set of positions. Each position has a “next position” given by a permutation, and additionally each position carries a binary flag that may flip a state when we pass through it.
CF 106009D - Шулер
The problem statement for Codeforces 106009D - Шулер is missing from your prompt, so I don’t have the actual task description, constraints, or examples needed to write a correct editorial.
CF 106009C - Смайло и Minecraft
We have a mine represented as a grid. Some cells contain gold, some are blocked by stone, and some are already empty. Smilo can choose an empty cell and place a bomb there. The bomb clears a square around the chosen cell with radius k in the Chebyshev distance.