2024 Jiangsu Collegiate Programming Contest

11 problems from 2024 Jiangsu Collegiate Programming Contest (contest 105161), difficulty -. 7/11 solutions verified against sample I/O.

11 items

2024 Jiangsu Collegiate Programming Contest

Special | 11 problems | 7/11 verified | Difficulty - | 8m 22s

# Problem Rating Tags Accepted Time ✓
A Two's Company but Three's Trumpery 51s ✓
B Area of the Devil 30s
C Radio Direction Finding 50s ✓
D City Bloxx 22s
E Divide 57s ✓
F Download Speed Monitor 44s ✓
G Download Time Monitor 30s
H Real Estate Is All Around 1m 16s
I Integer Reaction 50s ✓
J Tile Covering 46s ✓
K Number Deletion Game 46s ✓
Practice › Codeforces Solutions › 2024 Jiangsu Collegiate Programming Contest ›

CF 105161K - Number Deletion Game

We are given a multiset or array of integers. Two players alternate turns in a game. On each turn, a player is allowed to remove one occurrence of the current maximum value present in the structure.
codeforces competitive-programming Jun 27, 2026
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CF 105161H - Real Estate Is All Around

We are processing a chronological stream of events that manipulate a set of houses and how three assistants handle them.
codeforces competitive-programming Jun 27, 2026
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CF 105161J - Tile Covering

We are given an $n times m$ grid where each cell has a weight. The task is to place non-overlapping rectangular tiles on this grid to maximize the total sum of covered cell weights.
codeforces competitive-programming Jun 27, 2026
Practice › Codeforces Solutions › 2024 Jiangsu Collegiate Programming Contest ›

CF 105161I - Integer Reaction

We are given a sequence of integers, each tagged with one of two colors. The numbers arrive from left to right. As each number appears, we maintain a multiset of currently “unpaired” numbers.
codeforces competitive-programming Jun 27, 2026
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CF 105161E - Divide

We are given an array of length $n$. Each query provides a segment $[l, r]$ and an integer $k$. On that segment we repeatedly apply an operation that replaces the current maximum element by its integer division by 2.
codeforces competitive-programming Jun 27, 2026
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CF 105161F - Download Speed Monitor

We are given a sequence of download speeds sampled over time and a fixed window size $k$. For every contiguous segment of length $k$, we need to compute the average speed of that segment.
codeforces competitive-programming Jun 27, 2026
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CF 105161G - Download Time Monitor

Codeforces 105161G: Download Time Monitor
codeforces competitive-programming Jun 27, 2026
Practice › Codeforces Solutions › 2024 Jiangsu Collegiate Programming Contest ›

CF 105161D - City Bloxx

Codeforces 105161D: City Bloxx
codeforces competitive-programming Jun 27, 2026
Practice › Codeforces Solutions › 2024 Jiangsu Collegiate Programming Contest ›

CF 105161A - Two's Company but Three's Trumpery

We are given a forest, meaning an undirected graph where each connected component is a tree. We are allowed to add edges between vertices.
codeforces competitive-programming Jun 27, 2026
Practice › Codeforces Solutions › 2024 Jiangsu Collegiate Programming Contest ›

CF 105161C - Radio Direction Finding

We are working on a hidden structure: a cycle of $n$ positions labeled $0$ to $n-1$, where $n$ is odd. Two distinct positions are secretly chosen. We cannot see them directly.
codeforces competitive-programming Jun 27, 2026
Practice › Codeforces Solutions › 2024 Jiangsu Collegiate Programming Contest ›

CF 105161B - Area of the Devil

We are given five disjoint arcs on a circle. From each arc, we pick one point, and we connect the five chosen points in order, forming a closed pentagon-like star shape.
codeforces competitive-programming Jun 27, 2026