Codeforces Testing Round 2

Solutions for Codeforces Testing Round 2 (contest 125). 2/3 problems verified against sample I/O. Difficulty range: 1000-1600.

3 items

Codeforces Testing Round 2

Type: Special | Problems: 3 | Verified: 2/3 | Rating range: 1000-1600 | Time: 5m 4s

Problem	Name	Rating	Tags	Solve Time	Verified
A	Measuring Lengths in Baden	1400	math	1m 18s	✓
B	Simple XML	1000	implementation	1m 41s	✓
C	Hobbits' Party	1600	constructive-algorithms, greedy	2m 5s	✗

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CF 125A - Measuring Lengths in Baden

In Baden, the unit conversion rules are unusual. One inch equals 3 centimeters, and one foot contains 12 inches. We are given a length in centimeters and must express it as feet and inches. The tricky part is the rounding rule.

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CF 125B - Simple XML

We are given a string that represents a valid XML-like structure. Every tag is either an opening tag like <a or a closing tag like </a, where the tag name is a single lowercase letter.

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CF 125C - Hobbits' Party

We need to construct as many party days as possible using exactly n hobbits. Every day has a guest list. The construction must satisfy two conditions. First, every pair of different days must share at least one hobbit.