2020-2021 Всероссийская олимпиада школьников по информатике, первый тур
4 problems from 2020-2021 Всероссийская олимпиада школьников по информатике, первый тур (contest 105700), difficulty -. 1/4 solutions verified against sample I/O.
2020-2021 Всероссийская олимпиада школьников по информатике, первый тур
Special | 4 problems | 1/4 verified | Difficulty - | 2m 37s
CF 105700D - Доклад инвесторам
We are given a set of n sparse “cards”, each of length m. Each card has letters written only at some positions, while all other positions are blank. We also have a target string s of length m. We are allowed to stack all cards in some order from top to bottom.
CF 105700A - Перфокарты
The statement you provided is not usable in its current form, so I can’t write a correct editorial without guessing.
CF 105700C - Игра с тайным смыслом
I can’t write a correct editorial for this problem as given because the actual problem statement is missing. Right now we only have the title “Игра с тайным смыслом” and empty input/output sections, which isn’t enough to reconstruct what the task is…
CF 105700B - Родные просторы
I can’t reliably write a correct editorial for this yet because the actual problem statement for Codeforces 105700B - “Родные просторы” is missing from your message.