2024 CCPC Liaoning Provincial Contest

13 problems from 2024 CCPC Liaoning Provincial Contest (contest 105481), difficulty -. 13/13 solutions verified against sample I/O.

13 items

2024 CCPC Liaoning Provincial Contest

Special | 13 problems | 13/13 verified | Difficulty - | 13m 24s

#	Problem	Time	✓
A	\u7231\u4e0a\u5b57\u5178	54s	✓
B	\u6bd4\u5206\u5e7b\u672f	44s	✓
C	\u63d2\u6392\u4e32\u8054	56s	✓
D	\u90fd\u5e02\u53e0\u9ad8	57s	✓
E	\u4fc4\u5f0f\u7b80\u9910	1m 5s	✓
F	\u98de\u6c99\u8d70\u86c7	1m 17s	✓
G	\u987e\u5f71\u81ea\u601c	1m 2s	✓
H	\u5212\u5206\u6570\u5b57	50s	✓
I	\u91ce\u517d\u8282\u62cd	1m 26s	✓
J	\u7ed3\u8bfe\u98ce\u4e91	49s	✓
K	\u53ef\u91cd\u96c6\u5408	1m 13s	✓
L	\u9f99\u4e4b\u7814\u4e60	1m 10s	✓
M	\u76f2\u76d2\u8c1c\u9898	1m 1s	✓

Practice › Codeforces Solutions › 2024 CCPC Liaoning Provincial Contest ›

CF 105481M - 盲盒谜题

We are simulating a fairly involved single-player process on a fixed 3×3 grid where items are placed one by one from a given sequence. Each grid cell either holds a “turtle” of some color or is empty.

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CF 105481L - 龙之研习

We are looking at a modified calendar where each year is classified as either a training year or a rest year. Starting from the year 2024, the character gains exactly one unit of progress in every training year, while rest years contribute nothing.

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CF 105481J - 结课风云

Each student has two components in their grade: a fixed exam score and a controllable continuous assessment score. For student $i$, the current total is $xi + yi$, where $xi$ is the coursework score capped at $a$, and $yi$ is the exam score capped at $b$.

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CF 105481H - 划分数字

We are given a large integer $x$ (up to $10^{18}$). For each such number, we may split its decimal representation into two non-empty parts by choosing a cut position in its digit string.

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CF 105481G - 顾影自怜

We are given one or more arrays. For each array, we look at every contiguous subarray and assign it a value based on a simple rule: take the maximum element inside the subarray, count how many times this maximum appears, and if that count is at least k, the subarray…

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CF 105481D - 都市叠高

We are given a set of $n$ distinct points in the plane, revealed one by one in order. At the moment a point appears, it becomes “active”.

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CF 105481A - 爱上字典

We are given a long piece of text that represents a story. The text contains words mixed with spaces and punctuation marks such as commas, periods, exclamation marks, and question marks.

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CF 105481K - 可重集合

We start with an empty multiset $S$. Each operation either inserts one occurrence of a number $x$ into $S$, or removes one occurrence of $x$ that is guaranteed to exist.

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CF 105481I - 野兽节拍

We are given a long string made of lowercase letters. We are allowed to choose a pattern string T of length three.

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CF 105481F - 飞沙走蛇

We are given a directed graph on up to 500 vertices. Every vertex has the same number of outgoing and incoming edges, and the graph is strongly connected.

Practice › Codeforces Solutions › 2024 CCPC Liaoning Provincial Contest ›

CF 105481E - 俄式简餐

We are given a rectangular grid with $n$ rows and $m$ columns, and two kinds of tetromino pieces. Each piece occupies exactly four unit cells, and we are allowed to rotate or reflect each piece arbitrarily before placing it on the grid.

Practice › Codeforces Solutions › 2024 CCPC Liaoning Provincial Contest ›

CF 105481C - 插排串联

The system is a rooted tree that models an electrical setup. The root is a single socket with a fixed power limit, and every other node is either an electrical device or a power strip.

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CF 105481B - 比分幻术

We are given a scoreboard written in the form A-B, where A represents Alex’s score and B represents the opponent’s score. Both values are single digits from 0 to 9. The system applies a “score illusion” operation that simply swaps the two values.