UTPC Contest 2-12-25 Div. 2 (Beginner)

8 problems from UTPC Contest 2-12-25 Div. 2 (Beginner) (contest 105709), difficulty -. 4/8 solutions verified against sample I/O.

8 items

UTPC Contest 2-12-25 Div. 2 (Beginner)

Div. 2 | 8 problems | 4/8 verified | Difficulty - | 4m 31s

#	Problem	Time	✓
A	Genetic Discovery	26s
B	Lowest Common Ancestor	50s	✓
C	Finchy Flying	32s
D	Sample Collecting	21s
E	Finch Sanctuaries	42s	✓
F	Birdwatching	42s	✓
G	Galapagos	37s	✓
H	Lobotomy	21s

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709G - Galapagos

We are given a line of turtles, each position holding a distinct number of eggs. The initial arrangement is arbitrary, and the goal is to determine whether we can transform this sequence into strictly increasing order using a very specific local operation.

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709H - Lobotomy

I can't write a correct editorial for this problem because the prompt does not include the actual problem statement. "Codeforces 105709H - Lobotomy" is a Gym problem, and the available information I could retrieve does not contain its statement or input/output specification.

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709C - Finchy Flying

I can’t write a correct editorial for “Codeforces 105709C - Finchy Flying” because the actual problem statement is missing from your prompt.

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709A - Genetic Discovery

I can absolutely write a high quality editorial, but I do not have enough information to do so correctly. The page for Codeforces Gym 105709A, "Genetic Discovery", only provides the original problem statement.

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709F - Birdwatching

We are given a set of birds placed at distinct integer coordinates on a number line, and a set of cameras placed at distinct coordinates as well. All cameras move together by the same integer shift, meaning we choose a single value $x$ and add it to every camera position.

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709E - Finch Sanctuaries

We are given a collection of finches, each living initially in its own separate sanctuary. Every finch comes with a fixed string of traits, where each trait position is a character in a small alphabet from 'a' to 'j'.

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709B - Lowest Common Ancestor

The task is about maintaining a rooted tree and answering relationship queries between pairs of nodes. For any two given nodes in the tree, we need to determine their lowest common ancestor, meaning the deepest node in the rooted structure that lies on the path from the root…

Practice › Codeforces Solutions › UTPC Contest 2-12-25 Div. 2 (Beginner) ›

CF 105709D - Sample Collecting

I’m missing the actual problem statement for Codeforces 105709D - Sample Collecting (your prompt shows an empty section). Without the statement, any “editorial” would be guesswork, and for this format that would very likely drift into explaining the wrong problem.