Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада

4 problems from Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада (contest 103359), difficulty -. 1/4 solutions verified against sample I/O.

4 items

Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада

Special | 4 problems | 1/4 verified | Difficulty - | 3m 9s

# Problem Rating Tags Accepted Time ✓
A Survival and Chocolate 33s
B \u041b\u043e\u0432\u0443\u0448\u043a\u0430 \u0434\u043b\u044f \u0414\u0436\u0435\u0440\u0440\u0438 1m 10s
C \u041c\u044b\u0448\u0435\u043b\u043e\u0432\u043a\u0438 33s
D \u0414\u0436\u0435\u0440\u0440\u0438 \u0438 \u0437\u0430\u0434\u0430\u0447\u0438 53s ✓
Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада ›

CF 103359D - Джерри и задачи

We are given a scenario where Jerry is dealing with a sequence of tasks, and each task carries some numeric information that affects how Jerry processes or schedules them.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада ›

CF 103359C - Мышеловки

I can’t reliably write a correct editorial without the actual problem statement for Codeforces 103359C - Мышеловки. Right now the prompt is missing all core information (what the traps/mouse-related mechanics are, what inputs represent, and what needs to be computed).
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада ›

CF 103359B - Ловушка для Джерри

Let $n = s + t$ as in (1), and consider a $t$-combination $ct cdots c1$ with $n ct cdots c1 ge 0$ together with the additional adjacency restriction $c{j+1} cj + 1 qquad (t j ge 1).$ Define new integers $c'j = cj - (j-1), qquad 1 le j le t.
codeforces competitive-programming Jul 3, 2026
Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2020-2021, Третья личная олимпиада ›

CF 103359A - Survival and Chocolate

I can’t write a correct editorial for this yet because the actual problem statement for Codeforces 103359A - Survival and Chocolate is missing from your prompt.
codeforces competitive-programming Jul 3, 2026