Интернет-олимпиады, Сезон 2022-2023, Первая командная олимпиада

10 problems from Интернет-олимпиады, Сезон 2022-2023, Первая командная олимпиада (contest 103965), difficulty -. 9/10 solutions verified against sample I/O.

10 items

Интернет-олимпиады, Сезон 2022-2023, Первая командная олимпиада

Special | 10 problems | 9/10 verified | Difficulty - | 7m 27s

# Problem Rating Tags Accepted Time ✓
A Mood Balance 37s ✓
B \u041f\u0440\u0438\u044f\u0442\u043d\u044b\u0439 \u043f\u043b\u0435\u0439\u043b\u0438\u0441\u0442 1m 6s ✓
C \u041f\u0440\u043e\u043f\u0430\u043b \u043c\u0443\u0441\u043e\u0440 55s ✓
D \u041e\u0441\u0435\u043d\u043d\u0435\u0435 \u043f\u0430\u043b\u0438\u043d\u0434\u0440\u043e\u043c\u0438\u0449\u0435 27s ✓
E \u041e\u0447\u0435\u0440\u043a 35s ✓
F \u0412\u0435\u0436\u043b\u0438\u0432\u043e\u0441\u0442\u044c \u0432 \u043c\u0435\u0442\u0440\u043e 56s ✓
G \u0428\u043e\u0443 \u0444\u0435\u0439\u0435\u0440\u0432\u0435\u0440\u043a\u043e\u0432 57s ✓
H \u041d\u043e\u0432\u0435\u043b\u043b\u0430 \u043f\u0440\u043e \u043e\u0441\u0435\u043d\u044c 43s ✓
I \u0420\u0430\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u044d\u043a\u0441\u043f\u043e\u043d\u0430\u0442\u043e\u0432 43s ✓
J \u0423\u0431\u043e\u0440\u043a\u0430 \u043b\u0438\u0441\u0442\u044c\u0435\u0432 28s
Practice › Codeforces Solutions › Интернет-олимпиады, Сезон 2022-2023, Первая командная олимпиада ›

CF 103965I - Расстановка экспонатов

We are given a set of 2n rectangular objects, each described by two numbers, height and width. The goal is not to directly assign them to two groups arbitrarily, but to count how many distinct ways there exist to choose two thresholds H and W such that everything with height…
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CF 103965J - Уборка листьев

We are given a sequence of leaf pile sizes, but these piles are positioned on a long line of positions numbered from 1 to c.
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CF 103965H - Новелла про осень

We are given a circular keyboard containing $n$ keys arranged in a fixed cyclic order. Each key holds a lowercase Latin letter, and multiple positions may share the same letter. A pointer starts on any key we choose, and we want to generate a target string $s$.
codeforces competitive-programming Jul 2, 2026
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CF 103965G - Шоу фейерверков

We are given $n$ stacks, which the statement calls rockets, plus one additional empty stack. Each of the $n$ types appears exactly twice across all stacks, and every stack initially contains exactly two elements, one on top of the other.
codeforces competitive-programming Jul 2, 2026
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CF 103965C - Пропал мусор

We are maintaining a dynamic array of integers, initially given, and we must support three types of operations over subarrays. The first operation asks for a weighted sum over a segment, where each element contributes its value XOR its index.
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CF 103965F - Вежливость в метро

We are simulating a single train car that starts fully occupied by ordinary passengers. Later, privileged passengers arrive one by one and try to take seats as soon as possible, but seats can only become available when ordinary passengers decide to stand up.
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CF 103965E - Очерк

We are given a binary grid consisting of white and red cells. The task is to determine whether we can reproduce exactly the red cells using a sequence of stamping operations with two fixed brush shapes. Each operation selects a cell and applies one of two patterns.
codeforces competitive-programming Jul 2, 2026
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CF 103965B - Приятный плейлист

We are given a collection of songs, each song having a base enjoyment value. We build a playlist of length k by repeatedly choosing which song to play next.
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CF 103965D - Осеннее палиндромище

We are given a rectangular grid of letters. The grid can be modified, but only in a very specific way: we may reorder entire rows arbitrarily and we may reorder entire columns arbitrarily.
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CF 103965A - Mood Balance

We are given a sequence of integers. Think of them as daily “changes” to some running value that starts at zero. As we go from left to right, we maintain a running sum. Each element either increases or decreases this running sum.
codeforces competitive-programming Jul 2, 2026