Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада

4 problems from Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада (contest 105011), difficulty -. 0/4 solutions verified against sample I/O.

4 items

Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада

Special | 4 problems | 0/4 verified | Difficulty - | 10m 28s

#	Problem	Time
A	\u0422\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0438	4m 53s
B	\u0412\u0437\u043b\u043e\u043c \u0441\u0435\u0439\u0444\u0430	1m 57s
C	\u0428\u0435\u0441\u0442\u0438\u0443\u0433\u043e\u043b\u044c\u043d\u044b\u0439 \u0440\u0438\u0441\u0443\u043d\u043e\u043a	1m 50s
D	\u041f\u0443\u0442\u0435\u0448\u0435\u0441\u0442\u0432\u0438\u0435 \u043c\u0438\u043d\u044c\u043e\u043d\u043e\u0432	1m 48s

Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада ›

CF 105011A - Треугольники

We are given a multiset of positive integers. From this set we want to count how many integers $x$ have the following property: if we take $x$ together with any two numbers from the given set, those three values can always form a non-degenerate triangle.

Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада ›

CF 105011D - Путешествие миньонов

We are given a sequence of cities in a fixed travel order from 1 to n. Each city has a value a[i], and a parameter c that affects one of the scoring modes.

Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада ›

CF 105011B - Взлом сейфа

We are given an initial string and a target string of the same length. The only allowed operation takes a parameter $x$, splits the string into a prefix of length $n-x$ and a suffix of length $x$, reverses that suffix, and moves it to the front, leaving the prefix behind it…

Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2023-2024, Третья личная олимпиада ›

CF 105011C - Шестиугольный рисунок

We are given a set of selected cells on an infinite hexagonal grid. Each cell has integer coordinates, and adjacency is defined by sharing a full edge. The grid has the additional geometric property that every grid vertex is incident to exactly three cells.