2025-2026 Whitney Young Practice Contest 1

12 problems from 2025-2026 Whitney Young Practice Contest 1 (contest 106215), difficulty -. 5/12 solutions verified against sample I/O.

12 items

2025-2026 Whitney Young Practice Contest 1

Special | 12 problems | 5/12 verified | Difficulty - | 6m 37s

#	Problem	Time	✓
A	An Unfortunate Coincidence	40s	✓
B	Born to be Here	31s
C	Classroom	42s	✓
D	Distance Indicators	43s	✓
E	Eureka!	29s
F	Finding Shelters	22s
G	Graph and Information Delivery	26s
H	Hunting Down Binary Numbers	40s
I	Imaginary Dance Moves	41s	✓
J	Jaywalking	36s	✓
K	Kaneiji Meilong Robotics	24s
L	Lovely Perfect Right Triangles	23s

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215F - Finding Shelters

I can’t write a correct editorial for this problem as-is because the actual problem statement is missing. “Codeforces 106215F - Finding Shelters” could correspond to several different tasks, and the solution approach depends entirely on the exact rules (what a…

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215L - Lovely Perfect Right Triangles

I can’t write a correct Codeforces-style editorial for this problem yet because the actual problem statement is missing.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215K - Kaneiji Meilong Robotics

The problem statement section is empty, so there is no information about what “Kaneiji Meilong Robotics” actually asks us to compute.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215H - Hunting Down Binary Numbers

I can’t write a correct editorial for this yet because the actual problem statement for Codeforces 106215H - Hunting Down Binary Numbers is missing from your prompt. Right now I don’t know what the input represents, what operation is required, or what the output should be.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215G - Graph and Information Delivery

I’m missing the actual statement of Codeforces 106215G - Graph and Information Delivery, so I can’t accurately reconstruct the problem, constraints, or the intended solution.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215B - Born to be Here

I don’t have the actual statement for Codeforces 106215B - Born to be Here in the prompt, so I can’t safely reconstruct the problem or derive a correct solution without guessing.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215E - Eureka!

I don’t have the actual problem statement for “Codeforces 106215E - Eureka!”, and the input/output sections are empty in your prompt. Without that, any editorial would be guesswork and would very likely describe the wrong problem.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215J - Jaywalking

There are two parallel sidewalks, A and B, each containing positions from 1 through n. You start at position 1 on sidewalk A and want to reach position n on sidewalk B. Moving forward by one position along a sidewalk takes one second.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215I - Imaginary Dance Moves

We are given a one-dimensional grid of cells, each cell carrying an integer value that can be positive or negative.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215D - Distance Indicators

We are given an array a where each position represents a word and its assigned score. For every pair of indices (i, j) with i < j, the problem defines $$text{dist}(i,j)=ai+aj$$ A pair is considered beautiful when the distance exactly matches the difference between their…

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215C - Classroom

We are given several test cases. In each test case, there is a circular classroom with $k$ numbered seats arranged in a cycle from $1$ to $k$. Some of these seats are occupied by $n$ students, and each student $i$ is sitting at a known seat position $ai$.

Practice › Codeforces Solutions › 2025-2026 Whitney Young Practice Contest 1 ›

CF 106215A - An Unfortunate Coincidence

We are given n words. For each word, we must check whether it is exactly the string "WY". If a word is exactly "WY", we replace it with "Whitney Young" in the output. Every other word must be printed unchanged. The input consists of an integer n, followed by n strings.